Blueberries 2

Lenka and Martin collected eight liters of blueberries in two hours. How long will Lenka take to collect blueberries itself if we know that she collects all 2.5 hours less than Martin?

Correct answer:

x =  5 h

Step-by-step explanation:

3(v1+v2) = 8  x v1 = 8  ( x+ 2.5 ) v2 = 8 x>0 x=5=5 h



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