Question 913112: 3. If Mo and Flo are 40 years old together and in 3 years Mo will be ˝ of Flo’s age, how old are each of them now? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! If Mo and Flo are 40 years old together and in 3 years Mo will be ˝ of Flo’s age, how old are each of them now?
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Equation:
m + f = 40
m+3 = (1/2)(f+3)
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Substitute for "m" and solve for "f"::
40-f+3 = (1/2)(f+3)
43-f = (1/2)(f+3)
86-2f = f+3
3f = 83
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f = 27 yrs 8 mts (Flo's age now)
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Solve for "m"::
m + f = 40
m + 27 2/3 = 40
Mo = 12 4 mts (Mo's age now)
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Cheers,
Stan H.
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