Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - 7.4 - Addition and Subtraction of Algebraic Fractions and Simplifying Complex Fractions - Problem Set 7.4 - Page 300: 69

Answer

$47/l$

Work Step by Step

We use the equation for area: $$A=wl\\ 47 = wl \\ w = 47/l$$
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