document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=748063>Question 748063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8.) Kelsey drove an average of 50MPH for a 6-hour trip. During the first 4 hours, he drove 47MPH, what was the  average speed, in MPH for last 2 hours?<BR>\n" );
document.write( "A.) 50<BR>\n" );
document.write( "B.) 56<BR>\n" );
document.write( "C.) 60<BR>\n" );
document.write( "D.)66 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455307 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=455307\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Kelsey drove an average of 50MPH for a 6-hour trip. During the first 4 hours, he drove 47MPH, what was the average speed, in MPH for last 2 hours?<BR>\n" );
document.write( "***\r<BR>\n" );
document.write( "\n" );
document.write( "ave speed=distance/travel time<BR>\n" );
document.write( "total distance for the entire 6-hr trip=6*50=300 mi<BR>\n" );
document.write( "distance traveled during first 4 hours=4*47=188 mi<BR>\n" );
document.write( "distance traveled during last 2 hrs=300-188=112 mi<BR>\n" );
document.write( "ave speed for last 2 hours=112/2=56 mph (ans. B.) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );