document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765288>Question 765288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> nico is saving money for his college education. he invest some money at 7% and at 1600 less than that amount at 3%. the invests produces a total of $202 interest in 1 yr. how much did he invest at each rate. 7% and at 3% </SPAN>\n" );
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document.write( "nico is saving money for his college education. he invest some money at 7% and at 1600 less than that amount at 3%. the invests produces a total of $202 interest in 1 yr. how much did he invest at each rate. 7% and at 3%<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "Let x = amount invested at 7%<BR>\n" );
document.write( "therefore, x - 1600 = amount invested at 3%<BR>\n" );
document.write( "0.07x + 0.03(x - 1600) = 202<BR>\n" );
document.write( "0.07x + 0.03x - 48 = 202<BR>\n" );
document.write( "0.1x = 250<BR>\n" );
document.write( "x = 2500<BR>\n" );
document.write( "x - 1600 = 900<BR>\n" );
document.write( "ANSWERS: $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%282500%29 ALIGN=MIDDLE  ALT=\"highlight%282500%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > at 7% and $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28900%29 ALIGN=MIDDLE  ALT=\"highlight%28900%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > at 3% </SPAN>\n" );
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