Question

There are 1200 litres of water in a tank at present. IF the tank is 3/4 full, what is the capacity of the tank?

Answer 1

Let x be the capacity.
(3/4) x = 1200
Solve for x by multiplying both sides of the equation by 4/3

Answer 2

3/4X=1200

X=1200*4/3
X=1600L