Question

An empty rectangular tank measures 60 cm by 50 cm by 56 cm. It is being filled with water flowing from a tap at rate of 8 liters per minute. (a) Find the capacity of the tank (b) How long will it take to fill up (1 liter = 1000 cm

Answer 1

(a) The capacity of the tank is its volume, which we can calculate by multipling its sides:

`V=abc=60\cdot50\cdot56=168000`

This is, 168000 cm³. It is equivalent to 168 L.

(b) If the tank is being filled at a rate of 8 liters per minute, we can find the time to fill ir by dividing its capacity by the rate:

`t=(168)/(8)=21`

That is, it will take 21 minutos to fill it up.