Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - Cumulative Test Prep - Multiple Choice: 16

Answer

F) 12 ft

Work Step by Step

Find the area of the room. $\frac{430\ dollars}{3\frac{dollars}{sq\ ft}}=430\ dollars\times\frac{1}{3}\frac{sq\ ft}{dollar}=430\div3\ sq\ ft=143.\overline3sq\ ft$ The closest perfect square to $143.\overline3$ is 144. $\sqrt {144}=12$, so the side of the room is about 12 ft.
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