document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=949225>Question 949225</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A lorry and a car both travel a 240 mile journey at constant speeds. \r<BR>\n" );
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document.write( "The car is travelling at 12mph faster than the lorry. \r<BR>\n" );
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document.write( "The lorry takes one hour longer to complete the journey.\r<BR>\n" );
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document.write( "If 'x' is the speed of the car, show an algebraic equation to show 'x'.\r<BR>\n" );
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document.write( "I have worked out (in my head) that the car is travelling at 60mph and takes 4 hours, the lorry at 48mph for 5 hours. I am struggling to show this as an equation, please help!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #579476 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=579476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A lorry and a car both travel a 240 mile journey at constant speeds. \r<BR>\n" );
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document.write( "The car is travelling at 12mph faster than the lorry. \r<BR>\n" );
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document.write( "The lorry takes one hour longer to complete the journey.\r<BR>\n" );
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document.write( "If 'x' is the speed of the car, show an algebraic equation to show 'x'.<BR>\n" );
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document.write( "t = d/r<BR>\n" );
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document.write( "Time for the car = 240/x hours<BR>\n" );
document.write( "Time for the lorry = 240/(x-12)<BR>\n" );
document.write( "(240/x) + 1 = 240/(x-12) <BR>\n" );
document.write( "(240 + x)/x = 240/(x-12)<BR>\n" );
document.write( "(x+240)*(x-12) = 240x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+228x+-+2880+=+240x ALIGN=MIDDLE  ALT=\"x%5E2+%2B+228x+-+2880+=+240x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+12x+-+2880+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+12x+-+2880+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x - 60)*(x + 48) = 0<BR>\n" );
document.write( "x = 60<BR>\n" );
document.write( "Ignore the x = -48\r<BR>\n" );
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