If 2x + y = 7 and x + 2y = 5, then 2xy/3 =?	Choices:  A) 1  B) 2  C) 17 / 5  D) 18 / 5  E) 4

Rationale: "2 * ( x + 2 y = 5 ) equals 2 x + 4 y = 10 2 x + 4 y = 10 - 2 x + y = 7 = 3 y = 3 therefore y = 1 plug and solve . . . 2 x + 1 = 7 2 x = 6 x = 3 ( 2 * 3 * 1 ) / 3 = 6 / 3 = 2 b"
Answer: B