Sum of two numbers is 50. Two times of the difference of first and seceond is 20. Then the numbers will be?  Select the correct option:
A) 10 , 40	B) 20 , 30	C) 35 , 15	D) 30 , 20	E) 15 , 35

Rationale: explanation : x + y = 50 2 x ã ¢ â ‚ ¬ â € œ 2 y = 20 x = 30 y = 20 answer : d
Answer: D