Mathematics, 09.01.2020 04:31 yoongnzl
2cars get an oil change at the same service center. each customer is charged a fee x (in dollars) for the oil change plus y dollars per quart used. the first car required 5 quarts of oil, and the oil change all together costed $22.45. the second car required 7 quarts on oil, and the oil change all together costed $25.45. what service fee and cost per quart of oil?
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2cars get an oil change at the same service center. each customer is charged a fee x (in dollars) fo...
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