document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173320>Question 1173320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.\r<BR>\n" );
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document.write( "Mike is a shoe salesman, and he works on commission. This week, there is a special incentive to sell shoes and boots by a certain company. Yesterday, Mike sold 2 pairs of shoes and 9 pairs of boots, earning $180 in commission. Today, he sold 8 pairs of shoes and 8 pairs of boots, earning a total commission of $216. How much does Mike earn for the sale of each type of footwear? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #798535 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2S+9B=180<BR>\n" );
document.write( "8S+8B=216; multiply top by -4 and add the two<BR>\n" );
document.write( "-8S-36B=-720<BR>\n" );
document.write( "-28B=-504<BR>\n" );
document.write( "B=$18 for boots<BR>\n" );
document.write( "S=$9 for shoes by substituting into first equation.<BR>\n" );
document.write( "Check with the second<BR>\n" );
document.write( "$72+$144=$216 </SPAN>\n" );
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