document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=731512>Question 731512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "10 balls and 1 ball bag purchased for $155.  12 balls and 2 ball bags purchased<BR>\n" );
document.write( "for $189.  How much does 1 ball cost and how much does 1 ball bag cost?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447163 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=447163\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 10X+Y=155 MULTIPLY BY -2 & ADD.<BR>\n" );
document.write( "12X+2Y=189<BR>\n" );
document.write( "-20X-2Y=-310<BR>\n" );
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document.write( "-8X=-121<BR>\n" );
document.write( "X=-121/-8<BR>\n" );
document.write( "X=$15.125 COST OF ONE BALL.<BR>\n" );
document.write( "10*15.125+Y=155<BR>\n" );
document.write( "151.25+Y=155<BR>\n" );
document.write( "Y=155-151.25<BR>\n" );
document.write( "Y=$3.75 COST OF ONE BAG.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "12*15.125+2*3.75=189<BR>\n" );
document.write( "181.50+7.50=189<BR>\n" );
document.write( "189=189<BR>\n" );
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