SOLUTION: Please help me solve this problem.
A mother is nine times as old as her son. In three years, she will be five times as old as her son. Find the present age of each.
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A mother is nine times as old as her son. In three years, she will be five times as old as her son. Find the present age of each.
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Question 1012044: Please help me solve this problem.
A mother is nine times as old as her son. In three years, she will be five times as old as her son. Find the present age of each. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A mother is nine times as old as her son. In three years, she will be five times as old as her son. Find the present age of each.
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Equations:
m = 9s
m+3 = 5(s+3)
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Substiute for "m" and solve for "s"::
9s + 3 = 5s + 15
4s = 12
Son's age = 3 yrs
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Solve for "m"::
m = 9s
Mum's age = 9*3 = 27 yrs
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Cheers,
Stan H.
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