Prealgebra (7th Edition)

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

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Practice - Page 254: 10

Answer

$\frac{3}{5}$ mile

Work Step by Step

Each side of the square is $\frac{3}{30}$ mile. There are four sides. The perimeter therefore is: $\frac{3}{20}+ \frac{3}{20} + \frac{3}{20} + \frac{3}{20}= \frac{12}{20}$ This can be simplified: $\frac{12}{20}= \frac{4\times 3}{4\times5}= \frac{3}{5}$
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