Question 880803
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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