Question

The age proportion of a trio of grandfather, father, and son at present is

5:3:1 and the age gap between the father and son is 20 years. The age

proportion of the trio will become 3:2:1 after​

Answer 1

Step-by-step explanation:

let age of grand father be 5k

let age of father be 3k

let age of son be k

he gave age difference of father and son is 20

3k-k=20

k=10

therefore their ages are 50,30,10

given a no. is added such that the ratio becomes 3:2:1

we can add 10 so that their ages are in ratio 3:2:1