Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 5 - Ratio and Proportion - 5.5 Solving Application Problems with Proportions - 5.5 Exercises - Page 364: 13

Answer

5 qts of paint are needed.

Work Step by Step

$\frac{3\ qt}{270\ sq\ ft} = \frac{x}{350\ sq\ ft +100\ sq\ ft}$ $270x = 3(350+100)$ $270x = 3(450)$ $270x = 1350$ $\frac{270x}{270} = \frac{1350}{270}$ $x = 5$
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