document.write( "Question 1101045: Devonte invests $7200 in two different accounts. The first account paid 10 %, the second account paid 8 % in interest. At the end of the first year he had earned $618 in interest. How much was in each account? \n" ); document.write( "
Algebra.Com's Answer #715636 by josmiceli(19441)\"\" \"About 
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\"+I%5B1%5D+=+P%5B1%5D%2Ar%5B1%5D%2At+\"
\n" ); document.write( "and
\n" ); document.write( "\"+I%5B2%5D+=+P%5B2%5D%2Ar%5B2%5D%2At+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "\"+I%5B2%5D+=+618+-+I%5B1%5D+\"
\n" ); document.write( "\"+P%5B2%5D+=+7200+-+P%5B1%5D+\"
\n" ); document.write( "\"+r%5B1%5D+=+.1+\"
\n" ); document.write( "\"+r%5B2%5D+=+.08+\"
\n" ); document.write( "----------------------
\n" ); document.write( "\"+I%5B1%5D+=+P%5B1%5D%2A.1%2A1+\"
\n" ); document.write( "\"+618+-+I%5B1%5D+=+%28+7200+-+P%5B1%5D+%29%2A.08%2A1+\"
\n" ); document.write( "-------------------------------------
\n" ); document.write( "\"+I%5B1%5D+=+.1P%5B1%5D+\"
\n" ); document.write( "and
\n" ); document.write( "\"+618+-+I%5B1%5D+=+576+-+.08P%5B1%5D+\"
\n" ); document.write( "\"+I%5B1%5D+=+.08P%5B1%5D+%2B+42+\"
\n" ); document.write( "-------------------------
\n" ); document.write( "\"+.1P%5B1%5D+=+.08P%5B1%5D+%2B+42+\"
\n" ); document.write( "\"+.02P%5B1%5D+=+42+\"
\n" ); document.write( "\"+P%5B1%5D+=+2100+\"
\n" ); document.write( "and
\n" ); document.write( "\"+7200+-+P%5B1%5D+=+7200+-+2100+\"
\n" ); document.write( "\"+7200+-+P%5B1%5D+=+5100+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "$2,100 was invested @ 10%
\n" ); document.write( "$5,100 was invested @ 8%
\n" ); document.write( "------------------------------
\n" ); document.write( "check:
\n" ); document.write( "\"+I%5B1%5D+=+.1P%5B1%5D+\"
\n" ); document.write( "\"+I%5B1%5D+=+.1%2A2100+\"
\n" ); document.write( "\"+I%5B1%5D+=+210+\"
\n" ); document.write( "and
\n" ); document.write( "\"+I%5B2%5D+=+.08P%5B2%5D+\"
\n" ); document.write( "\"+I%5B2%5D+=+.08%2A5100+\"
\n" ); document.write( "\"+I%5B2%5D+=+408+\"
\n" ); document.write( "------------------------
\n" ); document.write( "\"+I%5B1%5D+%2B+I%5B2%5D+=+210+%2B+408+\"
\n" ); document.write( "\"+I%5B1%5D+%2B+I%5B2%5D+=+618+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );