Convert to decimal: Convert 70% to a decimal. To convert a percentage to a decimal, divide by 100. 70 ÷ 100 = 0.7 70% as a decimal is 0.7.Calculate 70% of 20: Calculate 70% of 20. Now that we have the decimal form of 70%, we multiply it by 20 to find 70% of 20. 0.7 * 20 = 14Verify the calculation: Verify the calculation. To ensure there is no math error, we can quickly check our calculation. Multiplying 0.7 (which is the same as 7/10) by 20 should give us 2 times 7, which is indeed 14.

Grade 8

Solve percent equations

Full solution

Q. What is

70 \%

20

Convert to decimal: Convert $70\%$ to a decimal. $\newline$ To convert a percentage to a decimal, divide by $100$ . $\newline$ $70 \div 100 = 0.7$ $\newline$ $70\%$ as a decimal is $0.7$ .
Calculate $70$ % of $20$ : Calculate $70\%$ of $20$ . $\newline$ Now that we have the decimal form of $70\%$ , we multiply it by $20$ to find $70\%$ of $20$ . $\newline$ $0.7 \times 20 = 14$
Verify the calculation: Verify the calculation. $\newline$ To ensure there is no math error, we can quickly check our calculation. Multiplying $0.7$ (which is the same as $\frac{7}{10}$ ) by $20$ should give us $2$ times $7$ , which is indeed $14$ .