please somebody help!

Answer:
I think you're asking for the percentages of these numbers? if not pls tell me I will redo the problems in the comments but percentage number will be down below!
Step-by-step explanation:
1:4 = 25%
75/100 = 75%
12.5/100 = 12.5%
hope this helps
Answer: if these are division problems then it's 0.75, 3, 0.125
Step-by-step explanation: I does not really make sense