SOLUTION: In five years, Mike will be twice as old as Andy. The sum of their present age is 80. How old is Mike now?

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Question 726823: In five years, Mike will be twice as old as Andy. The sum of their present age is 80. How old is Mike now?
Answer by Alan3354(69443) About Me  (Show Source):
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In five years, Mike will be twice as old as Andy. The sum of their present age is 80. How old is Mike now?
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In 5 yrs the sum of their ages will be 90.
A + 2A = 90 (in 5 years)
A = 30 in 5 years
M = 60 in 5 years
A = 25
M = 55