document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104818>Question 104818</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013052316X/algebrahomeworkh>Pretice hall mathematics. Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The math club and science club had fundraisers to buy supplies for a hospice. the math club spent $135 buying six cases of juice and one case of bottled water. The science club spent $110 buying four cases of juice and two cases of bottled water. how much did a case of juice cost? how much did a case of bottled water cost?\r<BR>\n" );
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document.write( "K this one also needs to be written in a linear equation form and solved..i'm really bad at this stuff! please help me </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76405 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=76405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=cost of a case of juice<BR>\n" );
document.write( "And y=cost of a case of bottled water\r<BR>\n" );
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document.write( "Now we are told that:<BR>\n" );
document.write( "6x+y=$135---------------eq1----cases and cost for the math club<BR>\n" );
document.write( "4x+2y=$110---------------eq2-----cases and cost for the science club\r<BR>\n" );
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document.write( "Multiply eq1 by 2 and we get:\r<BR>\n" );
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document.write( "12x+2y=$270-------------------eq1a<BR>\n" );
document.write( "4x+2y=$110-----------------------eq2<BR>\n" );
document.write( "subtract eq2 from eq1a and we get:\r<BR>\n" );
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document.write( "8x=$160  divide both sides by 8\r<BR>\n" );
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document.write( "x=$20----------------cost of a case of juice\r<BR>\n" );
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document.write( "substitute x=$20 into eq2 and we have:\r<BR>\n" );
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document.write( "4*$20+2y=$110 or<BR>\n" );
document.write( "$80+2y=$110  subtract $80 from both sides\r<BR>\n" );
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document.write( "$80-$80+2y=$110-$80  collect like terms\r<BR>\n" );
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document.write( "2y=$30  divide both sides by 2<BR>\n" );
document.write( "y=$15----------------------------cost of a case of bottled water\r<BR>\n" );
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document.write( "CK\r<BR>\n" );
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document.write( "6*20+1*15=135<BR>\n" );
document.write( "120+15=135<BR>\n" );
document.write( "135=135\r<BR>\n" );
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document.write( "also<BR>\n" );
document.write( "4*20+2*15=110\r<BR>\n" );
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document.write( "80+30=110<BR>\n" );
document.write( "110=110\r<BR>\n" );
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document.write( "Hope this helps----ptaylor\r<BR>\n" );
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document.write( " </SPAN>\n" );
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