Answer:
x = 2
y = 3
Step-by-step explanation:
4/(4+x) = 10/15
10(4+x) = 4 * 15
40 + 10x = 60
10x = 20
6/y = 4/x
6/y = 4/2
6/y = 2
6 = 2y
3 = y or y = 3
