duahsolo wrote:

During a road trip, a business traveler purchased $80.64 worth of regular unleaded gasoline, including 12 percent state and federal taxes, for his Sport Utility Vehicle. If the tourist can claim all purchases, excluding taxes, on his trip as business expenses, what is the price per gallon at which he will be reimbursed by his employer?

(1) The business traveler purchased 24 gallons of gasoline during his road trip.

(2) The business traveler paid $0.36 per gallon in state and federal taxes on the gas purchased for the road trip.

we already know that the total expensiture in taxes is \(T=80.60*(1-\frac{12}{100})\)

so we know also the total amount that he can claim \(TOTAL= $80.64-80.60*(1-\frac{12}{100})\)

to answer the question is sufficient to know the number of gallons purchased,because the question asks \(TOTAL/gallons\)

1) give us directly the number of gallons====>

sufficient2) is the amount of taxes per gallon, but we already know the total amount of taxes. Therefore dividing the total amount of taxes by this new number we can find the number of gallons =====>

sufficientso answer D

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