The answer is: $ 85.81 .
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Explanation:
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(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 .
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(456 /11) gal * ($ 2.03 / gal) =
$85.813636363636363581 -------> round to: $85.81 .
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