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Mathematics, 16.04.2021 01:30 PrincessIndia

Dependable Maids, a housecleaning service, charges $20 for a service call (just to come to the house) plus $15 per hour to do the cleaning job. Clean as a Whistle, another housecleaning service, charges $35 for a service call plus $12 per hour to do the cleaning job. How many hours would a job have to take for the bills of both cleaning services to be the same?​

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