SOLUTION: Betty is now three times as old as Mike, but in five years she will be only twice as old as Mike. How old is Mike right now?

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Question 1153749: Betty is now three times as old as Mike, but in five years she will be only twice as old as Mike. How old is Mike right now?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Betty is now three times as old as Mike, but in five years she will be only twice as old as Mike. How old is Mike right now?
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5 years changes it from 3x to 2x, so the ages are multiples of 5.
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----> 5 & 15, then 10 and 20