document.write( "Question 1122646: Javier invests money in two simple interest accounts. He invests three times as much in an account paying 10 % as he does in an account paying 4 %. If he earns $102.00 in interest in one year from both accounts combined, how much did he invest altogether?\r
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document.write( "Total Principal in Both Accounts = $ \n" );
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Algebra.Com's Answer #738780 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! I=prt \n" ); document.write( "x=principal in 4% \n" ); document.write( "3x=principal in 10%; time=1 \n" ); document.write( "x*.04+3x(.1)=102 \n" ); document.write( ".34x=102 \n" ); document.write( "x=$300@4%=$12 \n" ); document.write( "3x=$900@10%=$90 \n" ); document.write( "He invested $1200. \n" ); document.write( " \n" ); document.write( " |