Blueberries

Marie earns 3 liters of blueberries for 3.4 hours, Peter 2.4 liters for 2.9 hours.

How long have earns together one liter?

Correct answer:

t =  0.58 h

Step-by-step explanation:

v1=3/3.4=0.882 l/h v2=2.4/2.9=0.828 l/h  t=1 lv1+v2=10.882+0.828=0.58 h



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