SOLUTION: a father'age is twice his daughter's age but 16 years ago the father's age was 4 times his daughter's age. Calculate their ages.
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Question 766793: a father'age is twice his daughter's age but 16 years ago the father's age was 4 times his daughter's age. Calculate their ages.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a father'age is twice his daughter's age but 16 years ago the father's age was 4 times his daughter's age. Calculate their ages.
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Equations:
f = 2d
f-16 = 4(d-16)
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Substitute for "f" andsolve for "d":
2d-16 = 4d-64
2d = 48
d = 24 (daughter's age now)
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Solve for "f":
f = 2d
f = 2*24 = 48 (father's age now)
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Cheers,
Stan H.
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