If a/x = 1/3 and a/y =1/ 5, then (x + y) = Choose the correct choice from the following:
A) A)2a  B) B)a/2  C) C)6a  D) D)7a  E) E)8a
Ratio 1:   3a = x   Ratio 2:   5a = y   x+y = 8a   Answer is 8a
<result>E</result>
If a/x = 1/3 and a/y =1/ 5, then (x + y) =