Potatoes

Danielle and Michael would jointly dig potatoes for 7.5 hours. But if Danielle was working alone, she would take 2.5 hours more than if he were working with Michael. Determine how long Michael would take alone and how long Danielle would take alone.

Final Answer:

d =  10 h
m =  30 h

Step-by-step explanation:

d=7.5+2.5=10 h
7.5 (1/m+1/d) = 1 1/m+1/d = 1/7.5 1/m = 1/30 m=30=30 h



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