document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=968709>Question 968709</A>: <I><SPAN STYLE=\"word-break: break-all;\"> chioma drove her car 8okm in 45mins,then 100km in one hour and finally 120km in 1hr45mins.(a)what is the total time taken in hours?.(b)find her average speed for a whole journey. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #591968 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=591968\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> drove her car 8okm in 45mins,then 100km in one hour and finally 120km in 1hr45mins.<BR>\n" );
document.write( "(a)what is the total time taken in hours?.<BR>\n" );
document.write( "Change the min to hrs, add them up<BR>\n" );
document.write( ".75 + 1 + 1.75 = 3.5 hrs total time<BR>\n" );
document.write( ":<BR>\n" );
document.write( "(b)find her average speed for a whole journey.<BR>\n" );
document.write( "Find the total distance. 80 + 100 + 120 = 200 km<BR>\n" );
document.write( "Av speed = total dist/total time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2F3.5 ALIGN=MIDDLE  ALT=\"200%2F3.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 57.143 mph is av speed for the trip </SPAN>\n" );
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