document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371184>Question 371184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Select the set of equations that represents the following situation: Mike invested $240 for one year. He invested part of it at 9% and the rest at 10%. At the end of the year he earned $23.42 in interest. How much did Mike invest at each rate of interest?<BR>\n" );
document.write( "(Points : 3) <BR>\n" );
document.write( "  a    x + y = 240; 0.09x + 0.10y = 23.42<BR>\n" );
document.write( "  b    0.09 · 240 + 0.10 · 240 = 23.42<BR>\n" );
document.write( "  c    0.09x + 0.10y = 240; x + y = 23.42<BR>\n" );
document.write( "  d    x + y = 240; 9x + 10y = 23.42 </SPAN>\n" );
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