## Basic College Mathematics (9th Edition)

The percent is 7.5%. The part is 240. The whole is unknown. $\frac{240}{x} = \frac{7.5}{100}$ $7.5x = 240\times100$ $\frac{7.5x}{7.5} = \frac{24000}{7.5}$ $x = 3200$ \$3200\times12 = 38,400.