document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165400>Question 1165400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An automobile is driven at 30 mph for 12 min, then at 40 mph for 20 min, and<BR>\n" );
document.write( "finally 50 mph for 8 min. <BR>\n" );
document.write( "(a) Determine the average speed over the interval.<BR>\n" );
document.write( "(b) How fast must the automobile move in the last 8 min to obtain an average speed of 35<BR>\n" );
document.write( "mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #789884 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=789884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (a)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%2812%2F60%29%2B40%281%2F3%29%2B50%288%2F60%29=26 ALIGN=MIDDLE  ALT=\"30%2A%2812%2F60%29%2B40%281%2F3%29%2B50%288%2F60%29=26\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------miles of the entire distance.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2B20%2B8=40 ALIGN=MIDDLE  ALT=\"12%2B20%2B8=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----------<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=hour ALIGN=MIDDLE  ALT=\"hour\"   DISABLED_style= \"max-width:90%; height:auto;\" >------------time for the entire distance.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26%2F%282%2F3%29=3%2A26%2F2=39 ALIGN=MIDDLE  ALT=\"26%2F%282%2F3%29=3%2A26%2F2=39\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mph ALIGN=MIDDLE  ALT=\"mph\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----------average speed </SPAN>\n" );
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