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13-05-2015
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"two cars got an oil change at the same auto shop.the shop charge customers for each quart of oil plus a flat fee for labor the oil change for one car required 5 quarts of oil and cost 22.45 the oil change for the other car required 7 quarts of oil and cost 25.45 how much is the labor fee and how much is each quart of oil"

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13-05-2015

Divide the cost by the whole number associated with it, and you have your answer for each quart of oil, the remainder should be what the labor fee is

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