SOLUTION: Lisa's age is 2/3 Leslie's age. Two years ago, Lisa's age was 1/2 of what Leslie's age will be in five years. How old is each girl now?

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Question 167524: Lisa's age is 2/3 Leslie's age. Two years ago, Lisa's age was 1/2 of what Leslie's age will be in five years. How old is each girl now?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
lets call leslie e and lisa i
i=2/3(e)........eq 1
(i-2)=1/2(e+5)..eq 2
substitute i's value from eq 1 into eq 2
2/3(e)-2=1/2(e)+5/2 multiply by 6
:
4e-12=3e+15
e=27
highlight%28e=27%29leslie's age
highlight%28i=%282%2F3%29%2827%29=18%29 lisa's age