Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 8 Rational Functions - 8.4 Multiply and Divide Rational Expressions - 8.4 Exercises - Skill Practice - Page 578: 22



Work Step by Step

The area is: $(3x)(2x)-x(2x)=6x^2-2x^2=4x^2$. The perimeter is: $3x+2x+x+x+2x+x=10x$. Thus our ratio is: $\frac{10x}{4x^2}=\frac{5}{2x}$
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