Question

A fathers age is thrice the sum of his two children after 5 years his age is twice the sum of ages of his children find the age of father

Answer 1

let the age of father.be.x and sum of children age be y

so 3y=x
after 5 years
x+5=(y+10)2
so x+5=2y+20
x=2y+15
hence. 3y=2y+15
so y=15
so x =45
the.age.of father.is 45 yers