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Let’s check out your problem:
What is
90
%
90\%
90%
of
40
40
40
? _____
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Math Problems
Grade 8
Solve percent equations
Full solution
Q.
What is
90
%
90\%
90%
of
40
40
40
? _____
Convert to decimal:
Convert the percentage to a decimal.
\newline
To convert a percentage to a decimal, divide by
100
100
100
.
\newline
90
%
÷
100
=
0.9
90\% \div 100 = 0.9
90%
÷
100
=
0.9
Multiply by number:
Multiply the decimal by the number to find the percentage of it.
\newline
Now, multiply
0.9
0.9
0.9
by
40
40
40
to find
90
%
90\%
90%
of
40
40
40
.
\newline
0.9
×
40
=
36
0.9 \times 40 = 36
0.9
×
40
=
36
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\newline
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\newline
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Question
You pick a card at random, put it back, and then pick another card at random.
\newline
4
4
4
\newline
5
5
5
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6
6
6
\newline
7
7
7
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\newline
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