If a/x = 3 and a/y = 4, then (x + y) in terms of a  Select the correct option:
A) a/4	B) 5a/7	C) 7a/12	D) 6a/13	E) 11a/17
Ratio 1:   x= a/3   Ratio 2:   y = a/4   x+y = a/3+a/4 = 7a/12   Answer is 7a/12
<result>C</result>
If a/x = 3 and a/y = 4, then (x + y) in terms of a