## Basic College Mathematics (10th Edition)

$\frac{9}{10}$ ton or 0.9 ton
57,024 inch = mile Use the unit fraction $\frac{1 foot}{12 inches}$ to change inches to feet and the unit fraction$\frac{1 mile}{5280 feet}$to change feet to mile. Notice how all the units divide out except mile, which is the unit you want in the answer. 57,024 inch * $\frac{1 foot}{12 inches}$* $\frac{1 mile}{5280 feet}$ = $\frac{9}{10}$ ton = 0.9 ton