tell whether the following given ratios are proportions. Write YES if they are and NO if not.
change one term to make them proportion.

1.4/5 and 28/35


2.18:45 and 14:12


3.20/48 and 15/36


4.3/21 and 6/40


5. 9:12 and 27:32


4.3/21 and 6/40

with solution po sana :))​