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Mathematics, 02.12.2019 22:31 carlosarriaza60

Acable installer charges a service fee plus $10 per hour. a customer with a coupon for 60% off the service fee pays $34 for a 2-hour repair. how many hours are worked when a customer pays $65 without a coupon?

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Acable installer charges a service fee plus $10 per hour. a customer with a coupon for 60% off the s...
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