Answer:
1.6) the answer is 1:4
1.7) the answer is 30:1
Step-by-step explanation:
20:80
Check for the HCF
Well it's 20 because 20*1=20 and 20*4=80
150:5
HCF=5
5*1=5 and 5*30=150
I hoped you have understood what I'm trying to explain.
Have a wonderful day!
