## Basic College Mathematics (10th Edition)

Ans: = $\frac{20 Miles}{1Gallon}$
300 Miles on 15 Gallons. First Write the ratio and divide the common units: So, $\frac{300 Miles}{15 Gallons}$ Now find the lowest term $\frac{300 Miles}{15 Gallons}$ = $\frac{300\div15 Miles}{15\div15 Gallons}$ = $\frac{20 Miles}{1Gallon}$