SOLUTION: the sum of A and B is 30 years and 5 years hence A will be three times as old as B. Find their ages.

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Question 1054540: the sum of A and B is 30 years and 5 years hence A will be three times as old as B. Find their ages.
Answer by stanbon(75887) About Me  (Show Source):
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the sum of A and B is 30 years and 5 years hence A will be three times as old as B. Find their ages.
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A + B = 30
A+5 = 3(B+5)
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Substitute for "A" and solve for "B"::
30-B + 5 = 3B+15
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4B = 20
B = 5 yrs
A = 25 yrs
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Cheers,
Stan H.
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