document.write( "Question 739728: \r
\n" ); document.write( "\n" ); 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?
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Algebra.Com's Answer #451292 by checkley79(3341)\"\" \"About 
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.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
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