### Home > MC1 > Chapter 9 > Lesson 9.2.1 > Problem9-60

9-60.

Determine each of the following percents without using a calculator. Show your work or explain your thinking for each problem.

1. $20\%$ of $24$

$10\% \text{ of } 24 \text{ is } 2.40$
$20\% \text{ is } 2\left(10\%\right)$

$4.80$

1. $30\%$ of $24$

This problem is very similar to part (a).

1. $5\%$ of $24$

$5\%$ is one half of $10\%$

1. $15\%$ of $24$

$15\% \text{ is } 10\% + 5\%$

$3.60$