document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164557>Question 164557</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073533490/algebrahomeworkh>Elementary and Intermediate</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve each problem. Answers could be rational expressions. Be sure to give your answers with appropriate units.\r<BR>\n" );
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document.write( "82.) Driving marathon. Felix drove 800 miles in x hours on Monday.\r<BR>\n" );
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document.write( "a.) Write a rational expression for his average speed.\r<BR>\n" );
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document.write( "b.) On tuesday he drove for 6 hours at the same average speed. Write a rational expression for his distance on Tuesday.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121280 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=121280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance(d) equals Rate(r) times Time(t) or d=rt;  r=d/t and t=d/r<BR>\n" );
document.write( "Average rate(speed) is defined as the (total distance)/(total time)\r<BR>\n" );
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document.write( "a.) Average speed=(800 mi/x hr)=(800/x)mi/hr<BR>\n" );
document.write( "b.) So, x=6, d=rt=(800 mi/x hr)*6 hr=(800/x) mi/hr*6 hr=(4800/x) mi \r<BR>\n" );
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document.write( "Hope this helps----ptaylor </SPAN>\n" );
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