document.write( "Question 1056509: Amount=Rs8000 Principal=Rs4000 Rate of interest= 6℅. Find the time? Compounded annually \n" ); document.write( "

Algebra.Com's Answer #671619 by josmiceli(19441) $\"\"$ $\"About$

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$\"+A+=+P%2A%28+1+%2B+r%2Fn+%29%5E%28n%2At%29+\"$
\n" ); document.write( " $\"+A+=+8000+\"$
\n" ); document.write( " $\"+P+=+4000+\"$
\n" ); document.write( " $\"+r+=+.06+\"$
\n" ); document.write( " $\"+n+=+1+\"$
\n" ); document.write( "---------------------------
\n" ); document.write( " $\"+8000+=+4000%2A%28+1+%2B+.06%2F1+%29%5E%281%2At%29+\"$
\n" ); document.write( " $\"+2+=+1.06%5Et+\"$
\n" ); document.write( " $\"+log%282%29+=+t%2A%28+log%28+1.06+%29+%29+\"$
\n" ); document.write( " $\"+.30103+=+.02531t+\"$
\n" ); document.write( " $\"+t+=+11.8937+\"$ yrs
\n" ); document.write( "------------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+2+=+1.06%5Et+\"$
\n" ); document.write( " $\"+2+=+1.06%5E11.8937+\"$
\n" ); document.write( " $\"+2+=+1.99977+\"$
\n" ); document.write( "error due to rounding off
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );