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?
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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
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