John pours 96 litres of red oil into a rectangular container with length 220cm and breadth 40cm. Calculate, correct to the nearest cm, the height of the oil in the container

A.

11cm

B.

18cm

C.

21cm

D.

34cm

Correct answer is A

volume of rectangular container = L x B x H

1 litre = 1000cm3

96 litres = \(\frac{1000cm^3}{1 litres}\) x 96 litres

volume = 96000cm3

96000 = 220 x 40 

96--- = 8800H

H = \(\frac{96000}{8800}\)

= 10.97cm

= 11cm