Question 570895
within eleven years, the age of peter will be half the square of the age he was 13 years ago. calculate the current age of peter...
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p-11 = (1/2)(p-13)^2
2p-22 = p^2-26p+169
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p^2-28p+191 = 0
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Usable solution to avoid negative age:
p = 16.2361
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Cheers,
Stan H.