SOLUTION: Five years ago,a father was 3 times as old as his son.Now their combined ages amount to 110 years.find the present age of the father.

Question 1003814:
Five years ago,a father was 3 times as old as his son.Now their combined ages amount to 110 years.find the present age of the father.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Five years ago,a father was 3 times as old as his son.
f - 5 = 3(s - 5)
f - 5 = 3s - 15
f = 3s - 15 + 5
f = 3s - 10
Now their combined ages amount to 110 years.
f + s = 110
Replace f with (3s-10)
(3s-10 + s = 110
3s + s = 110 + 10
4s = 120
s = 120/4
s = 30 yrs is the son
:
find the present age of the father. I'll let you do this
RELATED QUESTIONS
Five years ago, a father was 3times as old as his son. Now,their combined ages amount to... (answered by josgarithmetic)

Five years ago,a father was 3 times as old as his son. Now,their combined ages amount to... (answered by josgarithmetic,ikleyn)

a father is now threes times as old as his son. Eight years ago the father's age was five (answered by ewatrrr)

Four years ago, a father was 2 times as old as his son, now their combined ages equal 107 (answered by ankor@dixie-net.com)

a father is three times as old as his son. five years ago father's age was four times his (answered by ewatrrr)

A father is now only three times as old as his son but eight years ago the father was... (answered by ankor@dixie-net.com)

a father is now only three times as old as his son but eight years ago the father was... (answered by macston)

two years ago , a father was five times old as his son . two years later from today his... (answered by ankor@dixie-net.com)

A father is 3 times as old as his son, eight years ago the father's age was 5 times that... (answered by hamsanash1981@gmail.com)