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: Option A
Explanation
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 x 11
96– = 8800H
H = (frac{96000}{8800})
= 10.97cm
= 11cm