If the price was to rise to $16 quarters then the loads of laundry that each shift would pay for is 112 loads
The amount earned for shift of 75 minutes is:
= 12 x 1.5 hours
= $18
If the cost per load rises to 16 quarters, the number of loads you can afford is:
= Amount earned / cost per load
= 18 / 0.16
= 112 loads
Rest of the question is:
You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 12 quarters/load.
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