## Basic College Mathematics (10th Edition)

$\frac{27}{100}$ 0.27 27%
27 out of 100 include a coloring activity. Fraction Write the ratio as a fraction and simplify. $\frac{27}{100}$ Decimal Write the ratio as a fraction and divide. To divide by 100 simply move the decimal two places to the left. $\frac{27}{100}$ = 0.27 Percent Write as a proportion and solve for x using cross products. $\frac{27}{100} = \frac{x}{100}$ $100x = 27\times100$ $\frac{100x}{100} = \frac{2700}{100}$ $x = 27$