Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 5 - Ratio and Proportion - 5.4 Solving Problems - 5.4 Exercises - Page 357: 26

Answer

$x = 0.02$ $x = \frac{2}{100}$

Work Step by Step

$\frac{0.15}{0.1} = \frac{0.03}{x}$ $0.15x = (0.1)(0.03)$ $0.15x = 0.003$ $\frac{0.15x}{0.15} = \frac{0.003}{0.15}$ $x = 0.02$ $\frac{\frac{3}{20}}{\frac{1}{10}} = \frac{\frac{3}{100}}{x}$ $\frac{3x}{20} = (\frac{1}{10})(\frac{3}{100})$ $(\frac{3x}{20})(\frac{20}{3}) = (\frac{3}{1000})(\frac{20}{3})$ $x = \frac{20}{1000}$ $x = \frac{2}{100}$
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