SOLUTION: Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now? How would you check your answer?

Algebra.Com
Question 173663: Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now? How would you check your answer?
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
E=3X
(3X+4)=2(X+4)
3X+4=2X+8
3X-2X=8-4
X=4 AGE OF WARREN NOW.
E=3*4=12 AGE OF ERIN NOW.
PROOF:
(12+4)=2(4+4)
16=2*8
16=16

RELATED QUESTIONS

Erin’s age is 3 times Warren’s. in 4 years she will be twice as old as he will be. How... (answered by Earlsdon)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by checkley77)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by ankor@dixie-net.com,tutor_paul)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by ankor@dixie-net.com)
In 7 years, Erin will be twice as old as she was 8 years ago. how old is Erin... (answered by stanbon,Kassie14,Fombitz)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. how... (answered by ichudov)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by oscargut)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by ankor@dixie-net.com)
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How... (answered by EMStelley)