Question 1110803
(4x+y)/(8x+9y) is the duplicate ratio of 3:5.

{{{(4x+y)/(8x+9y) = 3/5}}}

5(4x+y) = 3(8x+9y)
20x+5y = 24x+27y

-4x=22y
x/y = 22/-4

x/y = -11/2