document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585108>Question 585108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ok so here is my word problem:\r<BR>\n" );
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document.write( "A university bookstore recently sold a wirebound graph-paper notebook for $1.64, and a college-ruled notebook for $1.17. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $66.02. How many of each type were sold?\r<BR>\n" );
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document.write( "So far what I have is:\r<BR>\n" );
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document.write( "x+y=50<BR>\n" );
document.write( "1.64x+1.17y=66.02\r<BR>\n" );
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document.write( "I found that x=50-y but now I am completely lost. Please help. Thanks in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373116 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=373116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A university bookstore recently sold a wirebound graph-paper notebook for $1.64, and a college-ruled notebook for $1.17. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $66.02. How many of each type were sold?\r<BR>\n" );
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document.write( "So far what I have is:\r<BR>\n" );
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document.write( "x+y=50<BR>\n" );
document.write( "1.64x+1.17y=66.02\r<BR>\n" );
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document.write( "I found that x=50-y but now I am completely lost. Please help. Thanks in advance.<BR>\n" );
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document.write( "That's a good start.<BR>\n" );
document.write( "Sub for x in the 2nd equation<BR>\n" );
document.write( "1.64x+1.17y=66.02<BR>\n" );
document.write( "Eliminate fractions first<BR>\n" );
document.write( "164x+117y=6602<BR>\n" );
document.write( "164*(50-y) + 117y = 6602<BR>\n" );
document.write( "8200 - 164y + 117y = 6602<BR>\n" );
document.write( "-47y = - 1598<BR>\n" );
document.write( "y = 34 = 34 college-ruled, whatever that is.<BR>\n" );
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document.write( "x = 50-y = 16 graph-paper thingies<BR>\n" );
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