document.write( "Question 336519: Kaufman Financial Corp. makes investments for corporate clients. It makes an investment of $3700 for one year at simple interest, yielding $297. Part of the money is invested at 7% and the rest at 9%. How much was invested?
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Algebra.Com's Answer #241234 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Let A be the amount invested at 7%, B the amount invested in 9%. \n" ); document.write( "1. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( "2. \n" ); document.write( "From eq. 1, \n" ); document.write( " \n" ); document.write( "Substitute into eq. 2, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Then from eq. 1, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "$1800 invested at 7% and $1900 invested at 9%. \n" ); document.write( " |