Precalculus (6th Edition) Blitzer

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

Chapter P - Section P.8 - Modeling with Equations - Exercise Set - Page 124: 53

Answer

5 feet 7 inches.

Work Step by Step

Step 1. Given a recommended weight of $135$ pounds, we know $100$ pounds is for the first 5 feet, leaving $135-100=35\ lb$ for the additional height. Step 2. As every 5 pounds corresponds to 1 inch above 5 feet, we have $\frac{35}{5}=7\ in$. Thus the total height is $5'7"$, or in words, 5 feet and 7 inches.
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