Question

The sum of the ages of 3 person is 150 yrs .10 yrs ago their ages was in the ratio 7:8:9. Their present age is

Answer 1

Step-by-step explanation:

first person age=7x

second person age=8x

third person age= 9x

sum of the age=150

7x+8x+9x=150

24x=150

×=150/24=6.25

first person age=7x=7×6.25=43.75

second person age=8×=8×6.25=50

third person age=9×=9×6.25=56.25

43.75+50+56.25=150