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Mathematics, 16.04.2021 20:50 alexandriasmith727

A repairman charges an inspection fee plus $28 per hour. A customer with a coupon for 20% off the inspection fee pays $96 for a 2-hour repair. How many hours are worked when a customer pays $162 without a coupon?

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A repairman charges an inspection fee plus $28 per hour. A customer with a coupon for 20% off the in...
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