The gas-n-clean service station sells gasoline and has a car wash. fees for the car wash are $1.25 with a gasoline purchase of $10.00 or more and $3.00 otherwise. three kinds of gasoline are available: regular at $2.89, plus at $3.09, and super at $3.39 per gallon.

Amount Gasoline purchases                       9.7 Gallons

Price pre gallons                             $          2.89

Total gasoline cost                          $          28.03

Car wash cost                                  $          1.25

Total due                                         $          29.28

Explanation:

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