Answer:
1. x=24, y=27
3. x=20
4. can you take a clean pic for problem 4? I can't see that.
Step-by-step explanation:
1. 18/x=30/40
30x=18x40
30x=720
x=24
30/40=y/36
30y=40x36
30y=1440
y=27
3. 24/18=x/15
18x=24x15
18x=360
x=20
