Precalculus (6th Edition) Blitzer

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

Chapter P - Review Exercises - Page 145: 148

Answer

126 yards by 44 yards.

Work Step by Step

Step 1. Assume the width is $x$ yards; then the length would be $3x-6$ yards. Step 2. The perimeter is given by $2(x+3x-6)=340$; we have $4x-6=170$ and $x=44$ yards, and $3x-6=3(44)-6=126$ yards. Step 3. The dimensions are 126 yards by 44 yards.
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