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Math Problems
Grade 7
Compare rates: word problems
Hailey paid
$
13
\$13
$13
for
1
3
7
kg
1 \frac{3}{7} \text{kg}
1
7
3
kg
of sliced salami
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Aubrey is researching the human body for science class. She finds a book that says human fingernails grow at a rate of
14
100
\frac{14}{100}
100
14
of an inch per month. While looking online, Aubrey finds a web page that says human fingernails grow at a rate of
0.137
0.137
0.137
inches per month.
\newline
Which source describes a faster growth rate?
\newline
Choices:
\newline
(A) book
\newline
(B) web page
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Kendra wants to buy an iced tea at the movie theater. A small cup is
12
12
12
ounces and costs
$
1.68
\$1.68
$1.68
. A medium cup is
16
16
16
ounces and costs
$
2.40
\$2.40
$2.40
. Which size is the better deal?
\newline
Choices:
\newline
(A)small
\newline
(B)medium
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Mr. Ellis owns a landscaping company. He sends two crews to mow grass. Crew A mows
6
6
6
acres in
7.5
7.5
7.5
hours. Crew B mows
4.5
4.5
4.5
acres in
6
6
6
hours. Which crew is faster?
\newline
Choices:
\newline
(A)Crew A
\newline
(B)Crew B
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Rob loves to snowboard in the winter, so he is looking at the cost of ski lift tickets for different mountains. Peak Point is selling
5
5
5
-day packs for
275.60
275.60
275.60
$
\$
$
. Grand Mountain is selling
3
3
3
-day packs for
174.75
174.75
174.75
$
\$
$
. Which mountain offers the better deal?
\newline
Choices:
\newline
(A)Peak Point
\newline
(B)Grand Mountain
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At their school's craft fair, Diego and Rachel are both selling homemade bars of soap. So far, Diego has sold
18
18
18
bars of soap and has earned
$
31.50
\$31.50
$31.50
. Rachel has sold
20
20
20
bars of soap and has earned
$
34.00
\$34.00
$34.00
. Who is offering the better bargain?
\newline
Choices:
\newline
(A)Diego
\newline
(B)Rachel
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Miranda is buying yarn so she can crochet scarves for her family. She likes the Furry Fibers brand best. At the store, she finds a
7
7
7
-ounce roll of Furry Fibers yarn for
$
8.33
\$8.33
$8.33
and a
16
16
16
-ounce roll for
$
18.72
\$18.72
$18.72
. Which size roll is the better value?
\newline
Choices:
\newline
(A)
7
7
7
-ounce
\newline
(B)
16
16
16
-ounce
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Victoria is shopping for thank-you notes at Sweet Greetings. She is trying to decide between the three different packages of notes shown below.
\newline
Package
1
1
1
,
8
8
8
notes for
$
6.00
\$6.00
$6.00
\newline
Package
2
2
2
,
30
30
30
notes for
$
12.00
\$12.00
$12.00
\newline
Package
3
3
3
,
12
12
12
notes for
$
6.00
\$6.00
$6.00
\newline
If Victoria is looking for the best deal, which package of thank-you notes should she buy?
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Kai goes out to lunch with their friends. At the end of the meal, they receive a bill for
51
51
51
euros.
\newline
Which number represents the change in the amount of money Kai and their friends have?
\newline
Choose
1
1
1
answer:
\newline
(A)
51
51
51
euros
\newline
(B)
−
51
-51
−
51
euros
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