Question

What number must be what number must be added added to each of the number 5, 9, 7, 12 to get number which are in proportional

Answer 1

2 should be added to 5

3 should be added to 9

0 should be added to 7

0 should be added to 12

Step-by-step explanation:

5 + 2 = 7

9 + 3 = 12

7 + 0 = 7

12 + 0 = 12

7:12::7:12 are in proportion