Answer
$\frac{3}{4}$
Work Step by Step
$\frac{1}{8}+\frac{5}{8}=\frac{6}{8}=\frac{6\div2}{8\div2}=\frac{3}{4}$
So, she has completed $\frac{3}{4}$ of the irrigation system.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 3 - Adding and Subtracting Fractions - 3.1 Adding and Subtracting Like Fractions - 3.1 Execises - Page 202: 37
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