SOLUTION: Fifteen years from now Darren will be four times as old as he was three years ago. How old is Darren now?

Question 113876: Fifteen years from now Darren will be four times as old as he was three years ago. How old is Darren now?
Answer by BurningFlame_marc(77) (Show Source): You can put this solution on YOUR website!
Hello!
I will show you how I solve these kinds of problems.

Representation:
Let x-3 be the age of darren 3 years ago, x+15 be his age 15 years from now.
Equation:
x+15=4(x-3)
Solution:
x+15=4(x-3)
x=4x-12-15
x=4x-27
-3x=-27
3x=27
x=9

Final Answer:
He is now 9 years old...
RELATED QUESTIONS
Darren is four times old as Tabitha. In twenty years, Darren will be twice as old as... (answered by addingup,ankor@dixie-net.com)

darren is 8 years older then his sister. in three years he will be twice as old as she... (answered by thejackal)

Mrs. Childs is forty- three years old and her son Darren is thirteen. How many years ago... (answered by solver91311)

Mrs. Childs is forty-three years old and her son Darren is thirteen. How many years ago... (answered by TimothyLamb)

Darren is three years older than his sister.In three years, he will be twice as old as... (answered by stanbon)

Mr.Munch is twice as old as his daughter. In two years, he will be four times as old as... (answered by lwsshak3)

Three years from now, Bob will be three times as old as he was three years ago. How old... (answered by edjones)

Four years ago, Sara was three times as old as Matthew was then. Twenty years from now,... (answered by fractalier)

In four years Ben will be three times as old as he was 12 years ago. How old is he... (answered by lwsshak3)