Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.7 - Addition and Subtraction of Fractions - Exercise - Page 43: 88


5$\frac{1}{2}$ mi

Work Step by Step

Given that the recreational hiker walks a trail with sign that indicate following distances 1$\frac{1}{2}$ mi, 2$\frac{3}{4}$ mi, $\frac{3}{4}$ mi, $\frac{1}{2}$ mi total distance = 1$\frac{1}{2}$ mi + 2$\frac{3}{4}$ mi + $\frac{3}{4}$ mi + $\frac{1}{2}$ mi =$\frac{3}{2}$ + $\frac{11}{4}$ + $\frac{3}{4}$ + $\frac{1}{2}$ =$\frac{4}{2}$ + $\frac{14}{4}$ =$\frac{4}{2}$ + $\frac{7}{2}$ =$\frac{11}{2}$ =5$\frac{1}{2}$ mi
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