Water Tank

Geometry Level 2

A water tank is the shape of a rectangular prism having length 2 m, breadth 75 cm and height 50 cm. The tank is 3 / 4 3/4 full of water. Determine the volume of water in the tank.

0.5765 cubic meters 0.6525 cubic meters 0.5625 cubic meters 0.75 cubic meters

A Former Brilliant Member by A Former Brilliant Member

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2 solutions

volume=length x width x height \text{volume=length x width x height}

volume of water = 0.75 ( 2 ⋅ 0.75 ⋅ 0.5 ) = 0.5625 m 3 \text{volume of water}=0.75(2\cdot 0.75 \cdot 0.5) = 0.5625~m^3

1 Helpful 0 Interesting 0 Brilliant 0 Confused

V = L x W x H

It is 3/4 full of water so we multiply the height by 3/4.

V = (2)(0.75)(0.5)(3/4) = 0.5625 m^3

1 Helpful 0 Interesting 0 Brilliant 0 Confused

Hello Marvin, To me seems the question not precised. Since you are not determining which volume is to be found, the answer could also be 0.75 cubic meters

Greetings !

Ols Muka - 4 years, 9 months ago

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Thanks. I see that this problem has been edited. Those who previously answered "0.75 cubic meters" has been marked correct as well.

In future, if you spot any errors with a problem, you can “report” it by selecting "report problem" in the menu. This will notify the problem creator (and eventually staff) who can fix the issues.

Brilliant Mathematics Staff - 4 years, 8 months ago

if it is full of water the volume is 0.75 cubic meters. but we we need to determine the volume if it is 3/4 full of water. one solution is to multiply the height by 3/4 before computing for the volume or compute the volume (full of water) then multiply it by 3/4.

A Former Brilliant Member - 4 years, 9 months ago

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