10loadsX6quartersX1hr.X60minX1shift
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1loadX4quartersX6dollarsX1hr.X75minutes
equals the amount of shifts.
You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 6 dollars/hr , and each shift lasts 75minutes . Your laundry requires 6quarters/load. How many shifts must you work if you wish to wash 10 loads of laundry?
1 answer