Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.2 - Factors and Simplest Form - Exercise Set: 100


Because they are each $\frac{1}{25}$ of the area maintained.

Work Step by Step

The sections labeled Lakes and Rivers are each marked $\frac{4}{100}$, so they each represent the same size portion of the areas maintained. $\frac{4}{100}=\frac{4\div4}{100\div4}=\frac{1}{25}$
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