# Water tank

Water tank shape cuboid has a width of 3.1 m and length twice larger. How high will reach water if water flow into 13 liters of water per second during 16 minutes?

Result

h =  0.65 m

#### Solution:

$V = \dfrac{ 13}{1000}\cdot 16 \cdot 60 = 12.48 \ m^3 \ \\ a = 3.1 \ m \ \\ b = 2 a = 2 \cdot 3.1 = 6.2 \ m \ \\ \ \\ V = abh \ \\ h = \dfrac{V }{ab} = \dfrac{ 12.48 }{ 3.1 \cdot 6.2} \ \\ h = 0.65 \ \text { m }$

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#### Following knowledge from mathematics are needed to solve this word math problem:

Do you know the volume and unit volume, and want to convert volume units?

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