Question

Two number are in the ratio 3:5.if each number is increased by 10, the ratio becomes 5:7. The sum of the number is

Answer 1

Answer:

3x + 10 + 5x + 10

8x + 20

8x = - 20

x = - 20 / 8

x = - 5 /2

5x = 5 × -5/2 = -25/2

3x = 3× -5/2 = -15/2