Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 6 - Percent - 6.2 Percents and Fractions - 6.2 Exercises - Page 400: 75

Answer

$\frac{1}{5}$ 0.2 20%

Work Step by Step

150 out of 750 said no. Fraction Write the ratio as a fraction and simplify. $\frac{150}{750}$ = $\frac{150\div150}{750\div150}$ = $\frac{1}{5}$ Decimal Write the ratio as a fraction and divide. $\frac{150}{750}$ $\ \ \ \ \ \ \ \ \ \ \ \ 0.2$ $750)\overline{150.00}$ $\ \ \ \ \ \ \ \ \underline{1500}$ $\ \ \ \ \ \ \ \ \ \ \ \ \ \ 0$ Percent Write as a proportion and solve for x using cross products. $\frac{150}{750} = \frac{x}{100}$ $750x = 150\times100$ $\frac{750x}{750} = \frac{15000}{750}$ $x = 20$
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