SOLUTION: Arna is twice as old as Mae. In 4 years time, she will be five -thirds (5/3) as old as Mae. How old is both of them

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Question 1009205:
Arna is twice as old as Mae. In 4 years time, she will be five -thirds (5/3) as old as Mae. How old is both of them
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Call their ages NOW, a and m. Then we have
a = 2m and in four years
a + 4 = (5/3)(m + 4)
Substituting and solving we get
2m + 4 = (5/3)(m + 4)
2m + 4 = (5/3)m + 20/3
(1/3)m = 8/3
m = 8
a = 16