Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 4 - Proportions, Percents, and Solving Inequalities - Chapter 4 Review Problem Set: 5

Answer

The price of the tubing per inch would be 0.42 dollars.

Work Step by Step

Let x represent the price per 1 inch of tubing. We set up the proportion and solve by finding the cross product. $\frac{12.60}{x}$ = $\frac{30}{1}$ 12.60 $\times$ 1 = 30 $\times$ x 12.60 = 30x Divide both sides by 30. 0.42 = x The price of the tubing per inch would be 0.42 dollars.
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