document.write( "Question 427627: How many years will it take $3500 invested at 7% to earn $735? \n" ); document.write( "

Algebra.Com's Answer #297369 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( " A= p(1+r/n) ^nt  (n=1 in this example: compounded annually
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document.write( " A = p(1+r)^t   |A is p + I
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document.write( "log(A/p)/log(1+r) = t
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document.write( " log(4235/3500)/log(1.07) = t = 2.8 or 3 years \n" );
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