Question

If the sum of ages of father and his son in years is 45 and thrice the difference of their ages in years is same as sum of ages.find the age of father

Answer 1

the age of father is 30 year and son is 15 years

Answer 2

solutions :-
Let father's age be x

son age be y

A/q

x+y=45..................(1)

3(x-y)=45
3x-3y=45................ (2)

multiply 3 in equation (1)

3x+3y=135
3x-3y=45
=6x=180
x=180/6
x=30

Father's age is 30 years