Answer:
1:3
n=3
Step-by-step explanation:
1 hour = 60 minutes
20:60
20÷20=1
60÷20=3
1:3
If you can give me more information on this I could help you a bit more respond.
Answer:
81%
Step-by-step explanation:
divide 162 by 200
Answer:
1mm, 1cm, 1m, 1km.
Step-by-step explanation: