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Find the following percentages of 45 .
Find
20% of 45 :
Find
80% of 45 :

Find the following percentages of $45$ . $\newline$ Find $20 \%$ of $45$ : $\newline$ Find $80 \%$ of $45$ :

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Percents of numbers: fractional and decimal percents

Full solution

Q. Find the following percentages of

45

.

\newline

Find

20 \%

of

45

:

\newline

Find

80 \%

of

45

:

Convert to decimal, multiply: To find $20\%$ of $45$ , we need to convert the percentage to a decimal and then multiply it by the number. $\newline$ $20\%$ as a decimal is $0.20$ . $\newline$ Now, calculate $20\%$ of $45$ by multiplying $0.20$ by $45$ . $\newline$ $0.20 \times 45 = 9$
Calculate $20$ % of $45$ : To find $80$ % of $45$ , we also convert the percentage to a decimal and then multiply it by the number. $\newline$ $80$ % as a decimal is $0.80$ . $\newline$ Now, calculate $80$ % of $45$ by multiplying $0.80$ by $45$ . $\newline$ $0.80 \times 45 = 36$

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