Question

what must be added to each of 7, 16,43 and 79 so that they become proportion?
show full method and how to do it.
write reason for each of the steps.
the best answer will be the brainliest...

Answer 1

For 7 , 9 must be added so that it becomes 16
For 16, 9 must be added so that it becomes 25
For 43, nothing must be added
For 79 , 9 must be subtracted so that it becomes 70

So 25-16=9
43-25=18
70-43=27

Where 9,18,27 are multiplies of 9