Question

the sum of two nunumbers in the ratio 7:3 is 30.then their difference is​

Answer 1

Answer:

12

Step-by-step explanation:

10x = 30

x = 3

The numbers are 21 & 9.

Their difference 21-9 = 12

Answer 2

Step-by-step explanation:

Let the nos. be 7x and 3x. 7x+3x=30; 10x=30; x=30/10=3. Hence the nos. are 21 and 9. Difference= 21-9=12