Question

The sum of the ages of 3 persons is 150 years.10 years ago their ages were in the rat 7:8:9 .Their present ages are​

Answer 1

Answer:

Let their ages be 7x,8x and 9x.

Then,

7x+10+8x+10+9x+10=150

24x+30=150

24x=150-30

x=120/24

x=5

Therefore,their present ages are=(7×5)+10=45

(8×5)+10=50

(9×5)=55