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**BuffaloSoulja** Carbon taken from an old animal skeleton contains 3/4 as much radioactive carbon14 as carbon taken from a present day bone. How old is the animal skeleton? (the half-life of carbon 14 is 5760 years)

**halflife: the time required for something to fall to half its initial value **

let P represent the amount of radioactive carbon 14 from a present day bone

i have 2 problems with this question.

i know **[1]** **1/2P= P(x)^5760**, but what adjustment will be made to 5760 since we are dealing with 3/4P instead of 1/2P?

and how do you isolate x after that?

thanks in advance