Elementary Technical Mathematics

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

Chapter 1 - Section 1.8 - Multiplication and Division of Fractions - Exercise - Page 49: 56


13$\frac{5}{7}$ or 13 lengths

Work Step by Step

Length of the radiator hose = 6 ft roll = 6 x 12in = 72in Length of one cut = 5$\frac{1}{4}$ in Therefore number of radiator hose that can be cut = 72in $\div$ 5$\frac{1}{4}$ in = 72in $\div$ $\frac{21}{4}$ = 72in $\times$ $\frac{4}{21}$ = $\frac{96}{7}$ =13$\frac{5}{7}$ or 13 lengths
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