## Basic College Mathematics (10th Edition)

Ans = $\frac{1 Dollar}{5 Minutes}$
15 Dollar for 75 minutes. First Write the ratio and divide the common units: So, $\frac{15 Dollar}{75 Minutes}$ Now find the lowest term $\frac{15 Dollar}{75 Minutes}$ = $\frac{15\div15 Dollar}{75\div15 Minutes}$ = $\frac{1 Dollar}{5 Minutes}$