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An Excavating Company Charges $330 an Hour for the Use

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An excavating company charges $330 an hour for the use of a backhoe and $550 an hour for the use of a bulldozer. The company employs one operator for 40 hours per week to operate the machinery. If the company wants to bring in at least $18,500 each week from equipment rental, what is the maximum whole number of hours per week can it schedule the operator to use a backhoe?


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