document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105498>Question 1105498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Natasha invests $2100 in one account and $1400 in an account paying 2 % higher interest. At the end of one year she had earned $168 in interest. At what rates did she invest?\r<BR>\n" );
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document.write( "$2100 invested at %\r<BR>\n" );
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document.write( "$1400 invested at % </SPAN>\n" );
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document.write( "You can use some logical reasoning to simplify the required calculations a bit.<br><BR>\n" );
document.write( "The \"extra\" 2% on the $1400 produces $28 in interest: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1400%2A.02+=+28 ALIGN=MIDDLE  ALT=\"1400%2A.02+=+28\"   DISABLED_style= \"max-width:90%; height:auto;\" >. The remaining $140 of interest is from the whole $3500 invested at the lower rate.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3500x+=+140 ALIGN=MIDDLE  ALT=\"3500x+=+140\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+140%2F3500+=+.04 ALIGN=MIDDLE  ALT=\"x+=+140%2F3500+=+.04\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The lower rate was .04 = 4%; so the higher rate was 6%.<br><BR>\n" );
document.write( "$2100 was invested at 4%; $1400 was invested at 6$. </SPAN>\n" );
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