Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Review Exercises - Page 433: 97


$16$ hours

Work Step by Step

We are given that $ z=k\dfrac{x}{y}$ Thus, $10=k \times \dfrac{30}{6} \implies 5k=10$ so, $ k=2$ This implies that $ z=2 \times \dfrac{40}{5}$ or, $ z=16$ hours
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