# 930 miles to travel with a car that gets 22 miles per gallon. How much will it cost to travel if gas costs 2.03 a gallon?

The answer is: $ 85.81 . _______________________________________________ Explanation: _______________________________________________ (1 gal / 22 mi) * (930 mi) = (1 gal / 22 mi) * (930 mi / 1) = {the units of "mi" ("miles" cancel out} ; = (1 gal/ 22) * (930 / 1) = (1 gal * 930) ÷ (22 * 1) ; = (930 gal) ÷ 22 ; = (465 / 11) gal = = 42 3/11 gal = 42.2727272727.... gal . ________________________________________________________ (456 /11) gal * ($ 2.03 / gal) = $85.813636363636363581 -------> round to: $85.81 . __________________________________________________________