document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=582661>Question 582661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sorry, but I have to repeat the other question I have put because I need the equation to only use ONE variable, to be able to be solved by hand: \r<BR>\n" );
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document.write( "There are three types of bikes. A bicycle, tricycle, and tandem bikes. A bicycle as 2 wheels, 2 pedals, and 1 seat. A tricycle has 3 wheels, 2 pedals, and 1 seat. A tandem bike has 2 wheels, 4 pedals, and 2 seats. <BR>\n" );
document.write( "How many of each are there if there are 144 front steering handlebars, 378 pedals, and 320 wheels? How many bicycles, tricycles, and tandem bikes? <BR>\n" );
document.write( "Can you tell me the equation to find it? It's been bugging me for a while.\r<BR>\n" );
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document.write( "Ex: 2x + 2(320 - x) + ? = # of bikes or something.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #372158 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=372158\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=bikes, y=trikes, and z=tandems\r<BR>\n" );
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document.write( "\"there are 144 front steering handlebars\" ___ x + y + z = 144 (A)\r<BR>\n" );
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document.write( "\"378 pedals\" ___ 2x + 2y + 4z = 378 (B)\r<BR>\n" );
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document.write( "\"320 wheels\" ___ 2x + 3y + 2z = 320 (C)\r<BR>\n" );
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document.write( "subtracting 2(A) from (B) ___ 2z = 90 ___ z = 45\r<BR>\n" );
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document.write( "subtracting 2(A) from (C) ___ y = 32\r<BR>\n" );
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document.write( "subtracting y and z from (A) ___ x = 67 </SPAN>\n" );
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