In a can, there is a mixture of milk and water in the ratio 3:2. If the can is filled with an additional 6 liters of milk, the can would be full and the ratio of milk and water would become 2:1. Find the capacity of the can?
Choose the most appropriate option
A) 36  B) 34  C) 32  D) 30  E) 28

Rationale: "let c be the capacity of the can . ( 3 / 5 ) * ( c - 6 ) + 6 = ( 2 / 3 ) * c 9 c - 54 + 90 = 10 c c = 36 the answer is a ."
Answer: A