Question 721114: a woman is twice as old as her daughter twenty years ago she was four times as old as her daughter how old are they now Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! a woman is twice as old as her daughter twenty years ago she was four times as old as her daughter how old are they
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Equations:
m = 2d
m-20 = 4(d-20)
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Substitute for "m" and solve for "d":
2d-20 = 4d-80
2d = 60
daughter = 30 years (daughter's age now)
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Solve for "m":
m = 2d = 60 years (mother's age now)
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Cheers,
Stan H.
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