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$What is 10% of 390 ? Hint: We can think of 10% as a common fraction.$

What is $10 \%$ of $390$ ? $\newline$ Hint: We can think of $10 \%$ as a common fraction.

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Percents of numbers and money amounts

Full solution

Q. What is

10 \%

of

390

?

\newline

Hint: We can think of

10 \%

as a common fraction.

Convert to decimal: Convert $10\%$ to a decimal. $\newline$ $10\%$ as a decimal is $0.10$ because percent means per hundred, so $10\%$ is $10$ per $100$ or $\frac{10}{100}$ . $\newline$ Calculation: $\frac{10}{100} = 0.10$
Multiply by $390$ : Multiply the decimal form of $10\%$ by $390$ to find $10\%$ of $390$ . $\newline$ Calculation: $0.10 \times 390 = 39$

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