15 dam3 + 22 m3 = .... m3

30 dm3 + 1 dal - 20 000 cm3 = .... ℓ

7 litres/second = … litre/hour​

13 litres/minute = .... cc/minute

67 ℓ = .... cm3

An oil tanker pumps oil through a hose into small drums at a debit of 17 litres/minute. How many litre/hour is the debit of the oil tank car hose?​

7 hℓ = .... cc

27 ℓ - 170 cℓ = .... mℓ

A dam drains 4200 dm3 of water in 7 minutes. What is the debit of water at the dam?

Water is flowing into a tank at 37 litres/hour. How much water will there be in the tank after 7 hour?

19 000 cc = .... ℓ

Find the time if the volume is 7200 cc and debit is 32 cc/second.