SOLUTION: Two years ago, my age was four times that of my son. Eight years ago, my age was ten times that of my son. Find the age of my son now.
Algebra.Com
Question 772462: Two years ago, my age was four times that of my son. Eight years ago, my age was ten times that of my son. Find the age of my son now.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = my age now
Let = my son's age now
= my age 2 yrs ago
= my son's age 2 yrs ago
= my age 8 yrs ago
= my son's age 8 yrs ago
------------------------------
(1)
(2)
---------------------
(1)
(1)
and
(2)
(2)
-------------------
Subtract (2) from (1)
(1)
(2)
Plug this result back into either equation
(1)
(1)
(1)
My son is 11 now
check:
(2)
(2)
(2)
OK
RELATED QUESTIONS
Two years ago, my age was four times that of my son. Eight years ago, my age was ten... (answered by stanbon,addingup,MathTherapy,ikleyn)
Two years ago, my age was 4 times that of my son. Eight years ago, my age was 10 times... (answered by oberobic)
Two years ago a man age was four times that of his son.eught years ago the man's age was... (answered by ankor@dixie-net.com)
Two years ago my age was three times the square of my son's age. In three years time my... (answered by lwsshak3)
I am presently thirty eight years old my son Chris is eleven years old. How many years... (answered by rwm)
The present age of a man is four times that of his son. six years ago his age was ten... (answered by TimothyLamb)
My current age is 4 times what my sister's age was 20 years ago. I am now twice as old as (answered by josgarithmetic)
My current age is 4 times what my sister's age was 20 years ago. i am now twice as old as (answered by josgarithmetic,ikleyn)
Two years ago, my age was 4 times that of my son. In 3 years, my is only 3 times that of... (answered by josmiceli)