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Math Problems
Grade 7
Percents of numbers: word problems
A restaurant server claims that
28
e
x
t
e
x
t
p
e
r
c
e
n
t
28 ext{ extpercent}
28
e
x
t
e
x
tp
erce
n
t
of the time he leaves candy with the bill, the customer ＂tips well.＂ If the server's claim is true, and one day%
\newline
A)
0
0
0
.
28
28
28
\newline
B)
0
0
0
.
72
72
72
\newline
C)
0
0
0
.
50
50
50
\newline
D)
0
0
0
.
32
32
32
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The tape diagram shows that Bouvard takes
40
40
40
minutes in a batch of tamales
100
%
100\%
100%
of
40
40
40
minutes how long would that take in
50
%
50\%
50%
of
40
40
40
minutes? How many minutes would that take
250
%
250\%
250%
of
40
40
40
minutes? How long would that take?
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At Wendy's Swimwear,
70
%
70\%
70%
of the
40
40
40
swimsuit styles are bikinis. How many bikini styles are there?
\newline
_
_
_
_
\_\_\_\_
____
bikini styles
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The city council voted on a new tax. The council has
100
100
100
members and
90
%
90\%
90%
of the council members voted in favor of the new tax. How many members voted in favor of the tax?
\newline
_____ city council members
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A school assembly had
80
80
80
students in attendance, and
80
%
80\%
80%
of them were first-graders. How many first-graders were at the assembly?
\newline
_
_
_
\_\_\_
___
first-graders
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A sports shop has
75
75
75
employees.
20
%
20\%
20%
of the employees work part-time. How many part-time employees does the sports shop have?
\newline
_
_
_
\_\_\_
___
part-time employees
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20
%
20\%
20%
of the tickets sold at a school carnival were early-admission tickets. If the school sold
55
55
55
tickets in all, how many early-admission tickets did it sell?
\newline
_____ early-admission tickets
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Caden brought chocolate and vanilla cupcakes to school for his birthday.
50
50
50
students decided to take a cupcake, and
90
%
90\%
90%
of them picked vanilla. How many people picked a vanilla cupcake?
\newline
_____ students
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At the sewing store, Rosanne bought a bag of mixed buttons. The bag included
40
40
40
buttons, of which
20
%
20\%
20%
were large. How many large buttons did Rosanne get?
\newline
_
_
_
_
\_\_\_\_
____
large buttons
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The art club had an election to select a president.
25
%
25\%
25%
of the
64
64
64
members of the club voted in the election. How many members voted?
\newline
_
_
_
\_\_\_
___
members
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Yesterday, there were
20
20
20
problems assigned for math homework. Connor did
40
%
40\%
40%
of them correctly. How many problems did Connor get right?
\newline
_
_
_
_
\_\_\_\_
____
problems
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In Jordan's grade, there are
96
96
96
students. Currently,
50
%
50\%
50%
of them are enrolled in health. How many students are enrolled in health?
\newline
_
_
_
_
\_\_\_\_
____
students
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Ernesto's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served
16
16
16
coffees in all,
25
%
25\%
25%
of which were regular. How many regular coffees did the cafe serve?
\newline
_
_
_
_
\_\_\_\_
____
regular coffees
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An arborist examined trees in an orchard to see if they were infected with a virus. Out of
32
32
32
trees,
75
%
75\%
75%
had the virus. How many trees were infected with the virus?
\newline
_
_
_
_
\_\_\_\_
____
trees
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Elmer has a collection of
300
300
300
fossils of these
21
%
21\%
21%
or fossilized in snails shells how many fossilized snail shells does Elmer have.
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Recently,
1
%
1\%
1%
of the items sold at Katy's Sporting Goods were baseball caps. At Lexi's Sports,
1
2
\frac{1}{2}
2
1
of the items sold were baseball caps. Which store sold a greater percentage of baseball caps?
\newline
Choices:
\newline
(A)Katy's Sporting Goods
\newline
(B)Lexi's Sports
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At Ellie's Farm,
13
%
13\%
13%
of the cows have spots. At Danny's Cattle Ranch across town,
3
10
\frac{3}{10}
10
3
of the cows have spots. At which farm do a greater percentage of cows have spots?
\newline
Choices:
\newline
(A)Ellie's Farm
\newline
(B)Danny's Cattle Ranch
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During study hall, Rosanne finished
99
%
99\%
99%
of the problems from her math homework. Julie did
1
2
\frac{1}{2}
2
1
of the problems from her math homework. Who did a greater percentage of her math problems?
\newline
Choices:
\newline
(A)Rosanne
\newline
(B)Julie
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Last week, Ann's Swimwear sold
7
%
7\%
7%
of its bathing suits in stock. Kinsley's Sun Wear sold
3
5
\frac{3}{5}
5
3
of its bathing suits in stock. Which store sold a greater percentage of the bathing suits in stock?
\newline
Choices:
\newline
(A) Ann's Swimwear
\newline
(B) Kinsley's Sun Wear
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Yesterday,
39
%
39\%
39%
of the flights at Polk County Airport were delayed. At Cass County Airport,
1
2
\frac{1}{2}
2
1
of the flights were delayed. Which airport had a higher percentage of delayed flights?
\newline
Choices:
\newline
(A)Polk County Airport
\newline
(B)Cass County Airport
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Last year,
1
5
\frac{1}{5}
5
1
of Sandeep's friends learned how to ride bikes, while
35
%
35\%
35%
of Derek's friends learned how to ride bikes. Who had a greater percentage of friends who learned how to ride bikes last year?
\newline
Choices:
\newline
(A) Sandeep
\newline
(B) Derek
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Anastasia is grocery shopping with her father and wonders how much shopping is left to do. ＂We already have
60
%
60\%
60%
of the items on our list,＂ her father says. Anastasia sees
12
12
12
items in the cart. How many grocery items are on the list?
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The city council voted on a new tax. The council has
75
75
75
members and
40
%
40\%
40%
of the council members voted in favor of the new tax. How many members voted in favor of the tax?
\newline
_
_
_
_
\_\_\_\_
____
city council members
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Last night, the two dinner specials at Lara's favorite restaurant were salmon filet and steak. The restaurant served
50
50
50
specials in all,
50
%
50\%
50%
of which were salmon filets. How many salmon filets did the restaurant serve?
\newline
_
_
_
_
\_\_\_\_
____
salmon filets
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Clara's Diner offers its clients a choice of regular and diet soda. Last night, the diner served
75
75
75
sodas in all,
60
%
60\%
60%
of which were regular. How many regular sodas did the diner serve?
\newline
_
_
_
_
\_\_\_\_
____
regular sodas
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An arborist examined trees in an orchard to see if they were infected with a virus. Out of
70
70
70
trees,
90
%
90\%
90%
had the virus. How many trees were infected with the virus?
\newline
_
_
_
_
\_\_\_\_
____
trees
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Dave brought chocolate and vanilla cupcakes to school for his birthday.
50
50
50
students decided to take a cupcake, and
20
%
20\%
20%
of them picked vanilla. How many people picked a vanilla cupcake?
\newline
_____ students
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The lunch choices last Friday were mushroom or pepperoni pizza. The cafeteria made
90
90
90
pizzas in all,
90
%
90\%
90%
of which were mushroom pizzas. How many mushroom pizzas did the cafeteria make?
\newline
_
_
_
_
\_\_\_\_
____
mushroom pizzas
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Bernard had both chocolate cake and coconut cake at his birthday party. There were
40
40
40
people at the party, and
25
%
25\%
25%
of them picked chocolate cake. How many people picked chocolate cake?
\newline
_
_
_
_
\_\_\_\_
____
people
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Michelle ordered a set of yellow and orange pins. She received
48
48
48
pins, and
50
%
50\%
50%
of them were yellow. How many yellow pins did Michelle receive?
\newline
_
_
_
_
\_\_\_\_
____
pins
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A bookstore carries
54
54
54
magazines.
50
%
50\%
50%
of the magazines are women's magazines. How many women's magazines does the bookstore carry?
\newline
_
_
_
_
\_\_\_\_
____
women's magazines
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A biology class examined some flowers in a local meadow. They saw
60
60
60
flowers, of which
75
%
75\%
75%
were perennials. How many perennial flowers did the students see?
\newline
_
_
_
_
_
\_\_\_\_\_
_____
perennial flowers
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At the craft store, Lara bought a bag of green and brown marbles. The bag contained
70
70
70
marbles, and
30
%
30\%
30%
of them were green. How many green marbles did Lara receive?
\newline
_
_
_
_
\_\_\_\_
____
green marbles
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In a random sample of Amir's customer feedback,
96
%
96\%
96%
of customers gave Amir positive feedback. At this rate, how many of Amir's
900
900
900
customers gave him positive feedback?
\newline
◻
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The art club had an election to select a president.
10
%
10\%
10%
of the
40
40
40
members of the club voted in the election. How many members voted?
\newline
_
_
_
\_\_\_
___
members
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At Roger's Hats,
20
%
20\%
20%
of the
20
20
20
hats are baseball caps. How many baseball caps are there?
\newline
_
_
_
_
\_\_\_\_
____
caps
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Gary's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold
20
20
20
espressos in all,
90
%
90\%
90%
of which were single-shot. How many single-shot espressos did the cafe sell?
\newline
_
_
_
_
\_\_\_\_
____
single-shot espressos
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In order to select new board members, the French club held an election.
60
%
60\%
60%
of the
20
20
20
members of the club voted. How many members voted?
\newline
_
_
_
\_\_\_
___
members
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At the sewing store, Colleen bought a bag of mixed buttons. The bag included
60
60
60
buttons, of which
30
%
30\%
30%
were large. How many large buttons did Colleen get?
\newline
_
_
_
_
\_\_\_\_
____
large buttons
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At Austin's Swimwear,
30
%
30\%
30%
of the
10
10
10
swimsuit styles are bikinis. How many bikini styles are there?
\newline
_____ bikini styles
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The lunch choices last Friday were mushroom or pepperoni pizza. The cafeteria made
45
45
45
pizzas in all,
40
%
40\%
40%
of which were mushroom pizzas. How many mushroom pizzas did the cafeteria make?
\newline
_____ mushroom pizzas
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Carmen has a new beaded necklace.
90
%
90\%
90%
of the
20
20
20
beads on Carmen's necklace are blue. How many blue beads are there on Carmen's necklace?
\newline
_
_
_
_
\_\_\_\_
____
beads
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In order to select new board members, the French club held an election.
80
%
80\%
80%
of the
60
60
60
members of the club voted. How many members voted?
\newline
_
_
_
_
\_\_\_\_
____
members
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At Clayton's Swimwear,
20
%
20\%
20%
of the
40
40
40
swimsuit styles are bikinis. How many bikini styles are there?
\newline
_
_
_
_
_
\_\_\_\_\_
_____
bikini styles
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The students in Akira's class got to choose between pizza and burgers for the celebration on the last day of school.
40
%
40\%
40%
of the students picked the pizza. If there are
15
15
15
students in all at Akira's class, how many students preferred the pizza?
\newline
_
_
_
_
\_\_\_\_
____
students
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Darius buys a bottle of a chemical solution that contains
70
%
70\%
70%
alcohol. The bottle contains
500
milliliters
500\,\text{milliliters}
500
milliliters
of solution.
\newline
How many milliliters of alcohol are in the solution?
\newline
□
milliliters
\square\,\text{milliliters}
□
milliliters
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On Monday, a fruit vendor bought
80
80
80
pieces of fruit to sell at her market,
35
%
35\%
35%
of which were apples and the rest of which were oranges. On Tuesday, the vendor bought the same number of oranges, but she only bought
73
73
73
pieces of fruit. What percentage of the fruit she bought on Tuesday was apples?
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All students in Ridgewood Junior High School either got their lunch in the school cafeteria or brought it from home on Tuesday.
25
%
25 \%
25%
of students brought their lunch.
50
50
50
students brought their lunch. How many students in total are in Ridgewood Junior High School?
\newline
Answer:
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There are
240
240
240
students in the seventh grade, and
5
%
5 \%
5%
are in the Environmental Club. How many students are in the Environmental Club?
\newline
Answer:
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There are
160
160
160
students in the seventh grade, and
10
%
10 \%
10%
are in the Environmental Club. How many students are in the Environmental Club?
\newline
Answer:
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