Answer
$\frac{5}{2x}$
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: $\frac{10x}{4x^2}=\frac{5}{2x}$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
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
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