In what ratio P:Q should the Mixture P of milk and water in the ratio of 5:3 be mixed with another Mixture Q of milk and water in the ratio 1:3 so that the resultant mixture contains equal quantities of milk and water?
Choose the correct choice from the following options.
A) 5 : 2	B) 4 : 3	C) 3 : 2	D) 2 : 1	E) 4 : 1

Rationale: "( 5 / 8 ) * p + ( 1 / 4 ) * q = ( 3 / 8 ) * p + ( 3 / 4 ) * q 2 p = 4 q p / q = 2 / 1 the answer is d ."
Answer: D