document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=741025>Question 741025</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is my question written word for word:<BR>\n" );
document.write( "The wheel shop sells other kinds of vehicles.There are bicycles and go-carts in a different room of the shop.Each bicycle has only one seat and two wheels and each go-cart has only one seat and only four wheels. There are a total of 21 seats and 54 wheels in that room.\r<BR>\n" );
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document.write( "How many are bicycles and how many are go-carts\r<BR>\n" );
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document.write( "Explain how you figured it out. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451820 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We are given:\r<BR>\n" );
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document.write( "The wheel shop sells other kinds of vehicles.There are bicycles and go-carts in a different room of the shop.Each bicycle has only one seat and two wheels and each go-cart has only one seat and only four wheels. There are a total of 21 seats and 54 wheels in that room. \r<BR>\n" );
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document.write( "let x = number of bicycles, y = number of go-carts, then we have the following two equations:\r<BR>\n" );
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document.write( "x+y=21<BR>\n" );
document.write( "2x+4y=54\r<BR>\n" );
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document.write( "solve second equation for x and we get<BR>\n" );
document.write( "x=27-2y\r<BR>\n" );
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document.write( "substitute for x in equation 1 and we get\r<BR>\n" );
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document.write( "27-2y+y=21<BR>\n" );
document.write( "-y=-6 and y=6 and x=15\r<BR>\n" );
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document.write( "so there are 15 bicycles and 6 go-carts\r<BR>\n" );
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document.write( " </SPAN>\n" );
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