document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639474>Question 639474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two investments totaling $16,000 produce an annual income of $1140. One investment yields at 6% a year, while the other yields at 8% per year. How much is invested at each rate?<BR>\n" );
document.write( "I have read this word problem over 20 times. Please help solve this word problem.\r<BR>\n" );
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document.write( "principal=16,000<BR>\n" );
document.write( "interest=1140<BR>\n" );
document.write( "rate </SPAN>\n" );
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document.write( "Two investments totaling $16,000 produce an annual income of $1140. One investment yields at 6% a year, while the other yields at 8% per year. How much is invested at each rate?<BR>\n" );
document.write( "I have read this word problem over 20 times. Please help solve this word problem.\r<BR>\n" );
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document.write( "principal=16,000<BR>\n" );
document.write( "interest=1140<BR>\n" );
document.write( "rate\r<BR>\n" );
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document.write( "Let amount invested at 6% be S<BR>\n" );
document.write( "Then amount invested at 8% = 16,000 - S\r<BR>\n" );
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document.write( "Interest earned at 6%, plus interest earned at 8%, equals total interest earned<BR>\n" );
document.write( "We therefore have: .06(S) + .08(16,000 - S) = 1,140\r<BR>\n" );
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document.write( ".06S + 1,280 - .08S = 1,140\r<BR>\n" );
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document.write( ".06S - .08S = 1,140 - 1,280\r<BR>\n" );
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document.write( "- .02S = - 140\r<BR>\n" );
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document.write( "S, or amount invested at 6% = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+140%29%2F-.02 ALIGN=MIDDLE  ALT=\"%28-+140%29%2F-.02\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%287000%29 ALIGN=MIDDLE  ALT=\"highlight_green%287000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Amount invested at 8% = $16,000 - 7,000, or $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%289000%29 ALIGN=MIDDLE  ALT=\"highlight_green%289000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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