SOLUTION: Roberta now is 3 times as old as Ricky. Five years from now she will be twice as old as Ricky is then. What are the ages of both Ricky and Roberta?

Question 297898: Roberta now is 3 times as old as Ricky. Five years from now she will be twice as old as Ricky is then. What are the ages of both Ricky and Roberta?
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
We can set up 2 equation like this: (Let x be Ricky and y be Roberta)
y=3x
y+5=2(x+5) Solve by substitution:
3x+5=2x+10 Subtract 2x and 5 from both sides to get:
x=5
There we go Ricky is now 5 years old. I'll let you figure out the age of Roberta.
Make sense?
RJ
There is a book I wrote on the basics that would help:
www.math-unlock.com
RELATED QUESTIONS
Roberta now is times as old as Ricky. Five years from now she will be twice as old as... (answered by checkley77)

Ricky is now twice as old as he was exactly 8 years ago. How old is... (answered by checkley79)

Helen is 6 times as old as Millie In 32 years from now she will be twice as old as... (answered by Alan3354)

Ann is 3 times as old as cousin Bob. Four years from now she will be one year more than... (answered by stanbon)

Joan is three times as old as Anne. Fifteen years from now Joan will be twice as old as... (answered by stanbon)

renee is 3 times as old as dana. five years from now, renee will be twice as old as dana. (answered by mananth)

Four years ago, Gina was 3 times as old as her friend Coleen. Five years from now, she... (answered by ikleyn)

Five years ago, a grandmother was 4 times as old as her grandson was. Three years from... (answered by ankor@dixie-net.com)

FIVE YEARS AGO GEMMA WAS TWICE AS OLD AS TONY IS NOW, IN SEVEN YEARS SHE WILL BE FIVE... (answered by ankor@dixie-net.com)