Question

the present ages of three persons are in the ratio 4 ratio 7 ratio 9 8 years ago the sum of their ages was 56. The present ages in years

Answer 1

let the age be x

7x + 4x + 9x - 24 = 56

20x - 24 = 56

20x = 80

x = 4


ages are

4 × 4 = 16
4 × 7 = 28
4 × 9 = 36

Answer 2

Answer:

Step-by-step explanation:

ages are in ratio 4:7:9

so their ages are 4x 7xand 9x

8 years earlier sum of their ages

4x-8+7x-8+9x-8=56

20x-24=56

20x=80

x=4

so ages are4x=4x4=16yrs

7x4=28yrs

9x4=28yrs