document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=257444>Question 257444</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels a distance of 1742 miles at an average rate of 40 mph and returns at an average rate of 55 mph. Find the average rate for the round trip to the nearest tenth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189360 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=189360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     A car travels a distance of 1742 miles at an average rate of 40 mph and returns at an average rate of 55 mph. Find the average rate for the round trip to the nearest tenth.<BR>\n" );
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document.write( "Average rate = \"total distance\" / \"total time\"<BR>\n" );
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document.write( "Total distance = 2(1742) = 3484 miles<BR>\n" );
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document.write( "Applying the \"distance formula\" of d=rt<BR>\n" );
document.write( "we can find the time traveled.<BR>\n" );
document.write( "Going:<BR>\n" );
document.write( "1742/40 = 43.55 hours<BR>\n" );
document.write( "Returning:<BR>\n" );
document.write( "1742/55 = 31.67 hours<BR>\n" );
document.write( "Total time = 43.55+31.67 = 75.22 hours<BR>\n" );
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document.write( "Avg rate = 3484/75.22 = 46.32 = 46.3 mph<BR>\n" );
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