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The Quik-Clean Car Wash charges $15 for a car wash plus $2.50 per gallon for unleaded gasoline. The Mighty Clean Car Wash charges $10 for a carwash plus $2.75 per gallon for unleaded gasoline. Josh is comparing the cost of having his car wash plus filling up his tank with gas at each business. How many gallons of gas would he need to purchase for the cost to the same at each car wash?

Respuesta :

The first one is 6 gallons and the other one you can’t because if josh gets 3 gallons of gas he’s going to have to pay $8.25 but if he gets 4 gallons he’s going to have to pay $11
Josh would need to purchase 9 gallons of gas at the Quik-Clean car wash and 10 gallons of gas at The Mighty Clean Car wash. 15+(2.50x9)=37.50
10+(2.75x10)=37.50

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