If w/x = 1/3 and w/y = 4/15, then (x + y)/y =
Choose the correct choice:
A) 4 / 5
B) 6 / 5
C) 7 / 5
D) 8 / 5
E) 9 / 5

Rationale: "w / x = 1 / 3 = > x = 3 w and w / y = 4 / 15 = > y = 15 / 4 w ( x + y ) / y = ( 3 w + 15 / 4 w ) / ( 15 / 4 w ) = ( 27 / 4 w ) / ( 15 / 4 w ) = 9 / 5 correct option : e"
Answer: E