SOLUTION: The sum of the ages of Andrea and her mother is 45. Fifteen years from now, the mother will be twice as old as Andrea. How old is each now?
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Question 1117133: The sum of the ages of Andrea and her mother is 45. Fifteen years from now, the mother will be twice as old as Andrea. How old is each now? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The sum of the ages of Andrea and her mother is 45. Fifteen years from now, the mother will be twice as old as Andrea. How old is each now?
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Equations:
A + m = 45
m+15 = 2(A+15)
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Substitute for "m" and solve for "A":
45-A+15 = 2A+30
3A = 30
A = 10 yrs (Andrea's age now)
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Solve for "m"::
m = 45-A = 35 yrs (mother's age now)
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Cheers.
Stan H.
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