SOLUTION: g. Penny’s age is one third her father’s age and in 13 years time her age will be half of her father’s age. How old is Penny now?

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Question 880803: g. Penny’s age is one third her father’s age and in 13 years time her age will be half of her father’s age. How old is Penny now?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Penny’s age is one third her father’s age and in 13 years time her age will be half of her father’s age. How old is Penny now?
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Equations:
f = 3p
2(p+13) = f+13
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Substitute for "f" and solve for "p":
2p + 26 = 3p + 13
p = 13 (Penny's age now)
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Cheers,
Stan H.
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