Mathematics, 27.06.2019 18:30 darenl4478

To go to a customer's house to do repair work, a plumber charges a flat fee of f dollars, which includes the first hour of her time. for her time in excess of one hour, the plumber charges h dollars per hour. one day she had two jobs. the first job took 3.5 hours, for which her charge was $290. the second job was 4.25 hours, for which her charge was $335. what is the value of f + h?

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To go to a customer's house to do repair work, a plumber charges a flat fee of f dollars, which incl...