document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129519>Question 129519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A can travels for two hours at an average speed of 40 miles per hour. For how long must the can then travel at an average speed of 55 miles per hour to raise the overall average speed to 45 miles per hour? What is the total time traveled? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94921 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=94921\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"time @ 55mph\"\r<BR>\n" );
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document.write( "(2(40)+x(55))/(2+x)=45\r<BR>\n" );
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document.write( "multiplying by 2+x __ 80+55x=90+45x __ 10x=10 </SPAN>\n" );
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