Mathematics, 22.10.2020 03:01, ednalovegod

A repairman charges an inspection fee plus $22 per hour. A customer with a coupon for 40% off the inspection fee pays $118 for a 4-hour repair. How many hours are worked when a customer pays $94 without a coupon?

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A repairman charges an inspection fee plus $22 per hour. A customer with a coupon for 40% off the in...