## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapters 1-2 - Cumulative Review Exercises: 42

12

#### Work Step by Step

30 * $\frac{2}{3}$ * $\frac{3}{5}$ Write 30 as $\frac{30}{1}$ and multiply Multiply the numerators and multiply the denominators. $\frac{30 * 2 * 3}{1 * 3 * 5}$ Divide by 5 common factor of numerator and denominator $\frac{6 * 2 * 3}{1 * 3 * 1}$ Divide by 3 common factor of numerator and denominator $\frac{6 * 2 * 1}{1 * 1 * 1}$ = 12 12 is the whole number

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