Question

A fish tank has a length of 14cm, a width of 25cm, and a height of 15cm. It is only filled with water up to a height of 7 centimeters. How much more water is needed to fill the tank to the brim?

Answer 1

2800 cm^3, or 2.8 liters

Explanation:

The base of the tank remains 14 cm × 25 cm. The remaining height is 15 -7 = 8 cm, so the remaining volume is ...

(14 cm)(25 cm)(8 cm) = 2800 cm^3 = 2.8 liters

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1 liter = 1000 cm^3