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Math Problems
Grade 8
Solve percent equations
18
18
18
is
15
%
15 \%
15%
of what number?
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75
%
75 \%
75%
of
20
20
20
is what number?
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Which expression is equivalent to
−
60.5
+
14.9
?
-60.5+14.9 ?
−
60.5
+
14.9
?
\newline
60.5
−
14.9
60.5-14.9
60.5
−
14.9
\newline
14.9
−
60.5
14.9-60.5
14.9
−
60.5
\newline
−
14.9
+
(
−
60.5
)
-14.9+(-60.5)
−
14.9
+
(
−
60.5
)
\newline
−
60.5
+
(
−
14.9
)
-60.5+(-14.9)
−
60.5
+
(
−
14.9
)
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What is
300
%
300 \%
300%
of
8
8
8
?
\newline
Hint: We can think of
300
%
300 \%
300%
as a common number.
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What is
200
%
200 \%
200%
of
9
9
9
?
\newline
Hint: We can think of
200
%
200 \%
200%
as a common number.
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What is
1
%
1 \%
1%
of
700
700
700
?
\newline
Hint: We can think of
1
%
1 \%
1%
as a common fraction.
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What is
50
%
50 \%
50%
of
300
300
300
?
\newline
Hint: We can think of
50
%
50 \%
50%
as a common fraction.
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What is
1
%
1 \%
1%
of
500
500
500
?
\newline
Hint: We can think of
1
%
1 \%
1%
as a common fraction.
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What is
1
%
1 \%
1%
of
800
800
800
?
\newline
Hint: We can think of
1
%
1 \%
1%
as a common fraction.
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What is
10
%
10 \%
10%
of
60
60
60
?
\newline
Hint: We can think of
10
%
10 \%
10%
as a common fraction.
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What is
10
%
10 \%
10%
of
20
20
20
?
\newline
Hint: We can think of
10
%
10 \%
10%
as a common fraction.
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What is
20
%
20 \%
20%
of
90
90
90
?
\newline
Hint: We can think of
20
%
20 \%
20%
as a common fraction.
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What is
700
%
700 \%
700%
of
6
6
6
?
\newline
Hint: We can think of
700
%
700 \%
700%
as a common number.
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What is
1
%
1 \%
1%
of
200
200
200
?
\newline
Hint: We can think of
1
%
1 \%
1%
as a common fraction.
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What is
50
%
50 \%
50%
of
94
94
94
?
\newline
Hint: We can think of
50
%
50 \%
50%
as a common fraction.
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What is
20
%
20 \%
20%
of
300
300
300
?
\newline
Hint: We can think of
20
%
20 \%
20%
as a common fraction.
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What is
20
%
20 \%
20%
of
50
50
50
?
\newline
Hint: We can think of
20
%
20 \%
20%
as a common fraction.
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What is
20
%
20 \%
20%
of
780
780
780
?
\newline
Hint: We can think of
20
%
20 \%
20%
as a common fraction.
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What is
10
%
10 \%
10%
of
200
200
200
?
\newline
Choose
1
1
1
answer:
\newline
(A)
2
2
2
\newline
(B)
10
10
10
\newline
(C)
20
20
20
\newline
(D)
2
2
2
,
000
000
000
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Which of the following is equal to
20
%
20 \%
20%
of
45
45
45
?
\newline
Choose
1
1
1
answer:
\newline
(A)
9
9
9
\newline
(B)
20
20
20
\newline
(C)
25
25
25
\newline
(D)
65
65
65
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92
92
92
is what percent of
100
100
100
?
\newline
Choose
1
1
1
answer:
\newline
(A)
0.092
%
0.092 \%
0.092%
\newline
(B)
0.92
%
\quad 0.92 \%
0.92%
\newline
(C)
9.2
%
9.2 \%
9.2%
\newline
(D)
92
%
92 \%
92%
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If
5
%
5 \%
5%
of
x
x
x
is
24
24
24
, what is the value of
x
x
x
?
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What is
25
%
25 \%
25%
of
80
?
80 ?
80
?
\newline
Choose
1
1
1
answer:
\newline
(A)
20
20
20
\newline
(B)
25
25
25
\newline
(C)
40
40
40
\newline
(D)
320
320
320
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1
1
1
is
25
%
25 \%
25%
of what number?
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162
162
162
is what percent of
200
200
200
?
\newline
%
\%
%
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192
192
192
is what percent of
600
600
600
?
\newline
%
\%
%
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111
111
111
is what percent of
300
300
300
?
\newline
%
\%
%
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40
40
40
is what percent of
50
50
50
?
\newline
%
\%
%
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3
3
3
is what percent of
5
5
5
?
\newline
%
\%
%
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6
6
6
is what percent of
8
8
8
?
\newline
%
\%
%
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21
21
21
is
75
%
75 \%
75%
of what number?
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What is
70
%
70 \%
70%
of
20
20
20
?
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15
15
15
is what percent of
25
?
25 ?
25
?
\newline
%
\%
%
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24
24
24
is
75
%
75 \%
75%
of what number?
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12
12
12
is
60
%
60 \%
60%
of what number?
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28
28
28
is what percent of
50
?
50 ?
50
?
\newline
%
\%
%
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Is
17
17
17
a prime number or a composite number?
\newline
Choices:
\newline
(A) prime number
\newline
(B) composite number
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What is
90
%
90\%
90%
of
40
40
40
? _____
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