Mathematics, 14.07.2019 20:30, cfdewar5403

You and your friend each start a car-washing service. you spend $25 on supplies and charge $10 per car. your friend spends $55 on supplies and charges $13 per car. how many cars do you have to wash to earn the same amount of money as your friend?

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You and your friend each start a car-washing service. you spend $25 on supplies and charge $10 per c...