document.write( "Question 1026250: You have deposited $700 in an account that pays 4.25% interest, compounded continuously. How long will it take your money to triple? I know to use \"+Pe%5Ert+\", and natural log (ln), but i'm kind of lost after that. \n" ); document.write( "
Algebra.Com's Answer #641481 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
What you have is:
\n" ); document.write( "\"+3P+=+P%2Ae%5E%28r%2At%29+\"
\n" ); document.write( "Divide both sides by \"+P+\"
\n" ); document.write( "\"+3+=+e%5E%28r%2At%29+\"
\n" ); document.write( "This shows that the amount of the
\n" ); document.write( "investment has no effect on the answer
\n" ); document.write( "\"+r+=+.0425+\"
\n" ); document.write( "\"+e%5E%28+.0425t+%29+=+3+\"
\n" ); document.write( "Take the natural log of both sides
\n" ); document.write( "\"+.0425t+=+ln%283%29+\"
\n" ); document.write( "\"+.0425t+=+1.0986+\"
\n" ); document.write( "\"+t+=+25.85+\"
\n" ); document.write( "Is this years? I think so- check on this
\n" ); document.write( "
\n" );