Posted by althea on Tuesday, February 26, 2013 at 6:00am.
d = b-12
In two years,
(d+2) = 14 + (b+2)/2
d+2 = 14 + (d+14)/2
d/2 = 19
d = 38
So, Donna is 38, brother is 50
In 2 years, 40 = 52/2 + 14
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