Question

A Cylinder oil tank is 1/3 full. if 3 more gallons are added the tank will half full. What is the capacity of tank?

Answer 1

(t / 3) + 3 = t / 2

Answer 2

when we add 3 it will become half so 1/2 -1/3 = 1/6

total 1/6 in cylinder is 1÷1/6=6

Hence 6 x 3 = 18