document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177891>Question 1177891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Amber has entered a cross-country running series. Each race in the series has a time limit by which runners must complete the course in order to qualify for the next race.<BR>\n" );
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document.write( "The first race is 9 km long and must be completed in 50 minutes.<BR>\n" );
document.write( "After Amber runs the first 5 km, her coach informs her she must increase her speed by 2 km/h for the last 4 km in order to finish the race in 50 minutes.\r<BR>\n" );
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document.write( "a.Complete the following chart. (3 marks)\r<BR>\n" );
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document.write( "First 5 km Section		<BR>\n" );
document.write( "Distance (km)	<BR>\n" );
document.write( "Speed (km/h)	<BR>\n" );
document.write( "Time (h)<BR>\n" );
document.write( "	\r<BR>\n" );
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document.write( "Last 4 km Section			<BR>\n" );
document.write( "Distance (km)	<BR>\n" );
document.write( "Speed (km/h)	<BR>\n" );
document.write( "Time (h)\r<BR>\n" );
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document.write( "b.Write and solve a rational equation to determine the speed at which Amber needs to run the last 4 km of the race. Convert time in minutes to time in hours. (2 marks)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807055 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10551)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807055\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Amber has entered a cross-country running series. Each race in the series has a time limit by which runners must complete the course in order to qualify for the next race.<BR>\n" );
document.write( "	<BR>\n" );
document.write( "The first race is 9 km long and must be completed in 50 minutes.<BR>\n" );
document.write( "After Amber runs the first 5 km, her coach informs her she must increase her speed by 2 km/h for the last 4 km in order to finish the race in 50 minutes.\r<BR>\n" );
document.write( "\n" );
document.write( "a.Complete the following chart. (3 marks)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First 5 km Section		<BR>\n" );
document.write( "Distance (km)	<BR>\n" );
document.write( "Speed (km/h)	<BR>\n" );
document.write( "Time (h)<BR>\n" );
document.write( "	\r<BR>\n" );
document.write( "\n" );
document.write( "Last 4 km Section			<BR>\n" );
document.write( "Distance (km)	<BR>\n" );
document.write( "Speed (km/h)	<BR>\n" );
document.write( "Time (h)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b.Write and solve a rational equation to determine the speed at which Amber needs to run the last 4 km of the race. Convert time in minutes to time in hours. (2 marks)<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Let speed needed to run last 4 km, be S<BR>\n" );
document.write( "Then speed needed to run the first 5 km = S - 2<BR>\n" );
document.write( "With 50 mins being <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+50%2F60%2C+or%2C+5%2F6%2C+hr%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+50%2F60%2C+or%2C+5%2F6%2C+hr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we then get the following TIME equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C3%2C+5%2F%28S+-+2%29+%2B+4%2FS%2C+%22=%22%2C+5%2F6%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C3%2C+5%2F%28S+-+2%29+%2B+4%2FS%2C+%22=%22%2C+5%2F6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "With this info., you should now be able to answer the questions posed! </SPAN>\n" );
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