SOLUTION: The present age of Jacob’s father is three times that of Jacob. After 5 years, sum of their ages would be 70 years. Find their present ages.

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: The present age of Jacob’s father is three times that of Jacob. After 5 years, sum of their ages would be 70 years. Find their present ages.      Log On


   



Question 1147085: The present age of Jacob’s father is three times that of Jacob. After 5 years, sum of their ages would be 70 years. Find their present ages.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
3j, father
j, jacob

3j%2B5%2Bj%2B5=70
4j=60
j=15-------------jacob
-
3j=45------------father