## Basic College Mathematics (10th Edition)

$a = 6$ cm $b = 15$ cm
1. Solve for $a$ $\frac{a}{12} = \frac{6}{12}$ $a = \frac{6 \times 12}{12}$ $a = 6$ cm 2. Solve for $b$ $\frac{b}{7.5} = \frac{12}{6}$ $b = \frac{12 \times 7.5}{6}$ $b = \frac{90}{6}$ $b = 15$ cm