∵(x-y):y=2:3,
∴2y=3(x-y)
2y=3x-3y
2y+3y=3x
5y=3x
y=(3/5)x
∴2x+5y=5x,3x-2y=(9/5)x
∴(2x+5y)/(3x-2y)
=(5x)/[(9/5)x]
=25/9