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document.write( "Nico is saving money for his college education. He invests some money at 7%, and $1800 less than that amount at 3%. The investments produced a total of $196 interest in 1 year. How much did he invest at each rate? \n" );
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Algebra.Com's Answer #451292 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .07X+.03(X-1,800)=196 \n" ); document.write( ".07X+.03X-54=196 \n" ); document.write( ".10X=196+54 \n" ); document.write( ".10X=250 \n" ); document.write( "X=250/.10 \n" ); document.write( "X=$2,500 INVESTED @ 7% \n" ); document.write( "PROOF: \n" ); document.write( ".07*2,500+.03(2,500-1,800)=196 \n" ); document.write( "175+.03*700=196 \n" ); document.write( "175+21=196 \n" ); document.write( "196=196 \n" ); document.write( " |