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In a certain state, gasoline stations compute the price per [#permalink]
12 Oct 2008, 21:25
In a certain state, gasoline stations compute the price per gallon p, in dollars, charged at the pump by adding a 4 percent sales tax to the dealer's price per gallon d, in dollars, and then adding a gasoline tax of 0.18 per gallon. Which of the ff gives the dealer's price per gallon d in terms of the price per gallon p charged at the pump? a. d=p-0.22 b. d=p/1.22 c. d= (p-0.18)/1.04