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tion. 18 is
15% of what number?

tion. $18$ is $15 \%$ of what number?

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Solve percent equations

Full solution

Q. tion.

18

is

15 \%

of what number?

Convert to decimal: Convert the percentage to a decimal. $\newline$ To convert $15\%$ to a decimal, divide by $100$ . $\newline$ $15 \div 100 = 0.15$
Set up equation: Set up the equation. $\newline$ Let the number we are trying to find be represented by $x$ . According to the problem, $15\%$ of $x$ is equal to $18$ . $\newline$ So, we can write the equation as $0.15 \times x = 18$ .
Solve for x: Solve for x. $\newline$ To find $x$ , we need to divide both sides of the equation by $0.15$ . $\newline$ $x = 18 \div 0.15$
Perform division: Perform the division to find $x$ . $x = 120$

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