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Math Problems
Grade 8
Solve percent equations
Fill in the missing number.
\newline
70
%
70\%
70%
of
_
_
_
_
_
\_\_\_\_\_
_____
=
63
63
63
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Fill in the missing number.
\newline
25
%
25\%
25%
of
28
28
28
= _____
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Fill in the missing number.
\newline
25
%
25\%
25%
of
24
24
24
= _____
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What is
70
%
70\%
70%
of
90
90
90
?
\newline
____
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Fill in the missing number.
\newline
20
%
20\%
20%
of
75
75
75
= _____
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Seven times a number is
8
8
8
greater than the sum of the number and
10
10
10
.
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21
21
21
is what percent of
70
70
70
?
\newline
Write your answer using a percent sign (
%
\%
%
).
\newline
_
_
_
_
\_\_\_\_
____
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15
15
15
is what percent of
75
75
75
?
\newline
Write your answer using a percent sign (%).
\newline
_
_
_
_
_
\_\_\_\_\_
_____
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24
24
24
is what percent of
60
60
60
?
\newline
Write your answer using a percent sign (%).
\newline
_
_
_
_
_
\_\_\_\_\_
_____
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Fill in the missing number.
\newline
40
%
40\%
40%
of
_
_
_
_
_
\_\_\_\_\_
_____
=
6
6
6
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8
8
8
is
40
%
40\%
40%
of what number?
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54
54
54
is what percent of
90
90
90
?
\newline
Write your answer using a percent sign (%).
\newline
_
_
_
_
_
\_\_\_\_\_
_____
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Fill in the missing number.
\newline
20
%
20\%
20%
of
_
_
_
_
_
\_\_\_\_\_
_____
=
4
4
4
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What is
25
%
of
80
?
25\% \text{ of } 80 \text{?}
25%
of
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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What percentage of
40
40
40
is
8
8
8
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8
8
8
. Level
2
2
2
65
%
65 \%
65%
of what number is
78
78
78
?
\newline
Type a response
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There are
45
45
45
boys on the varsity football team.
\newline
-
2
5
\frac{2}{5}
5
2
of the boys are seniors.
\newline
-
1
3
\frac{1}{3}
3
1
of the boys are juniors.
\newline
- The remainder of the boys are sophomores.
\newline
How many of the boys are sophomores?
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the sum of
7
7
7
times a number and
3
=
2
3=2
3
=
2
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2.3
2.3
2.3
to the power of
10
10
10
over
2.3
2.3
2.3
to the power of
6
6
6
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Grade
6
6
6
\newline
Post-C
\newline
38
38
38
. Find the surface area.
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40
=
45
+
(
x
)
(
5
)
40=45+(x)(5)
40
=
45
+
(
x
)
(
5
)
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5
5
5
.
45
45
45
is what percent of
360
360
360
?
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if
35
%
35 \%
35%
of
x
x
x
is
7
7
7
, what is
x
%
x \%
x
%
of
35
?
35 ?
35
?
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Half of
6
6
6
time a number is
12
12
12
decreased by the product of
3
3
3
and the number
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12
12
12
is what percent of
80
80
80
?
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40
%
40\%
40%
of what number is
15
15
15
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2
3
+
60
%
\frac{2}{3}+60\%
3
2
+
60%
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Sixty more than nine times a number is the same as two less than ten times the number. What is the number?
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41
%
41\%
41%
of
78
78
78
is what?
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7
7
7
is what percent of
140
?
140 ?
140
?
\newline
Answer: _____
%
\%
%
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What is
64
%
64 \%
64%
of
475
?
475 ?
475
?
\newline
Answer:
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672
672
672
is what percent of
700
?
700 ?
700
?
\newline
Answer: _____
%
\%
%
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120
120
120
is what percent of
250
250
250
?
\newline
Answer: _____
%
\%
%
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If
60
%
60 \%
60%
of a number is
45
45
45
, find
20
%
20 \%
20%
of that number.
\newline
Answer:
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348
348
348
is what percent of
400
?
400 ?
400
?
\newline
Answer: _____
%
\%
%
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18
18
18
is what percent of
360
360
360
?
\newline
Answer: _____
%
\%
%
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224
224
224
is what percent of
700
700
700
?
\newline
Answer: _____
%
\%
%
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444
444
444
is what percent of
600
?
600 ?
600
?
\newline
Answer: _____
%
\%
%
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336
336
336
is what percent of
525
?
525 ?
525
?
\newline
Answer: _____
%
\%
%
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232
232
232
is what percent of
800
?
800 ?
800
?
\newline
Answer: _____
%
\%
%
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176
176
176
is what percent of
800
800
800
?
\newline
Answer: _____
%
\%
%
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63
63
63
is what percent of
225
?
225 ?
225
?
\newline
Answer: _____
%
\%
%
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388
388
388
is what percent of
400
400
400
?
\newline
Answer: _____
%
\%
%
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If
30
%
30 \%
30%
of a number is
10
10
10
, find
6
%
6 \%
6%
of that number.
\newline
Answer:
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92
92
92
is what percent of
100
100
100
?
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5
5
5
pts
\newline
What percent of
60
60
60
is
24
24
24
?
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tion.
18
18
18
is
15
%
15 \%
15%
of what number?
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5
5
5
pts
\newline
question.
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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Each big square below represents one whole.
\newline
What percent is represented by the shaded area?
\newline
%
\%
%
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