Question

How old is a man whose age fifteen years ago was two fifths of what it will be in 6years

Answer 1

let present age be x.

age 15 years ago=x-15

age 6 years hence=x+6

according to question:-

5(x-15)=2(x+6)

5x - 75=2x + 12

5x - 2x =75 +12

3x = 87

x=87/3

x=29

mans age is 29 years.