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You work at a service station. Premium gas cost 12 cents more per gallon than regular gasoline. How much more will it cost a customer to fill a car's 20 gallon tank with premium than with regular gaso
You work at a service station. Premium gas cost 12 cents more per gallon than regular gasoline. How much more will it cost a customer to fill a car's 20 gallon tank with premium than with regular gasoline?