document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=982660>Question 982660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am about to start a 27 000 km trip. I check the specifications of tyres to use to find that each is good for only 18 000 km. What is the fewest number of spare new tyres I need to take so that I can make it home without having to buy more? Explain your answer.\r<BR>\n" );
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document.write( "I tried<BR>\n" );
document.write( "27 000 - 18 000 = 9 000<BR>\n" );
document.write( "So then you would need 4 spare new tyres - but I think I have misunderstood the question. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #603486 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=603486\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assuming you have 4 tires on the vehicle. <BR>\n" );
document.write( "Each is good for 18000km before it wears out.<BR>\n" );
document.write( "You'll have to change all four at 18000km.<BR>\n" );
document.write( "So yes 4 is the correct number of spares, although you might want to keep at least 1 more for unexpected problems. </SPAN>\n" );
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