Mathematics, 16.12.2020 17:30, m8v3ngang3

A cable television repairman charges $35 to go to a customer’s home. He charges an additional $20 per hour for the repair. Petra paid the repairman a total of $85 to come to her home and make a repair. How many hours did it take for the repairs?

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A cable television repairman charges $35 to go to a customer’s home. He charges an additional $20 pe...