Blueberries

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

How long do they pick one liter together?

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=v1​+v2​1 l​=0.882+0.8281​=0.58 h

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