Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.3 - Direct Variation - Exercises - Page 285: 53

Answer

$141$

Work Step by Step

Given values are Patio blocks $p_1=93$. Area covers $a_1=124\;ft^2$. Patio blocks $p_2$. Area covers $a_2=188\;ft^2$. Ratio is same. $\frac{p_1}{a_1}=\frac{p_2}{a_2}$ Substitute all the values. $\Rightarrow \frac{93}{124\;ft^2}=\frac{p_2}{188\;ft^2}$ Simplify. $\Rightarrow (188\;ft^2)\frac{93}{124\;ft^2}=p_2$ $\Rightarrow 141=p_2$.
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