3600: 10=2 1600:x
x=60
60- 10=50 (days)
A: The rest will take 50 days to complete.
2. Solution: You can do 60-meter cut X skipping.
7.5:5=60:X
X=40
Answer: You can do 40 skipping ropes by cutting 60 meters.
4M=40CM
3. Solution: Set the flagpole to be x meters high.
15:6=X:4
X= 10
A: flagpole height 10 meter.