document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178882>Question 178882</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car travels 40 mph for 20 miles, 36 mph for 24 miles, and 48 mph for 16 miles. what is its average speed?   ( show work) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133827 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=133827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a car travels 40 mph for 20 miles, 36 mph for 24 miles, and 48 mph for 16 miles. what is its average speed?<BR>\n" );
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document.write( "Find the total distance:<BR>\n" );
document.write( "20 + 24 + 16 = 60 miles.<BR>\n" );
document.write( "Find the total time:<BR>\n" );
document.write( "20 miles/40 mph = 0.5 hrs = 30 minutes<BR>\n" );
document.write( "24 miles/36 mph = 2/3 hrs = 40 minutes<BR>\n" );
document.write( "16 miles/48 mph = 1/3 hrs = 20 minutes<BR>\n" );
document.write( "Time = 90 mins = 1.5 hours<BR>\n" );
document.write( "Avg speed = 60 miles/1.5 hours<BR>\n" );
document.write( "= 40 mph </SPAN>\n" );
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