document.write( "Question 1039694: Whats an example of a quantity that grows or decays at a fixed rate. Solve by using logarithms. \n" ); document.write( "

Algebra.Com's Answer #654923 by addingup(3677) $\"\"$ $\"About$

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1) half-life of isotopes decay at an assumed fixed-rate
\n" ); document.write( "2) interest compounds (grows) at a fixed rate
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\n" ); document.write( "Solving for 2), since chemistry is not my \"thing\":
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\n" ); document.write( "(1+r)^y = 2
\n" ); document.write( "yln(1+r) = ln2
\n" ); document.write( "y = ln2/ln(1+r) = double your original amount. \n" ); document.write( "

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