Five pumps

The water tank is filled with two pumps in 48 minutes. How long would it take to fill it with 5 same pumps?

Result

x =  19.2 min

Solution:

x=48⋅ 25=965=19.2=19.2  min x = 48 \cdot \ \dfrac{ 2 }{ 5 } = \dfrac{ 96 }{ 5 } = 19.2 = 19.2 \ \text{ min }

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