document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=398815>Question 398815</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three power boats in a 500 km handicap race leave at 5 hourly intervals. Boat A leaves first and has a speed for the race of 20 km/h. Boat B leaves 5 hours later and travels at an average speed of 25km/h. boat C leaves last, 5 hours after B, and completes the race at a speed of 40 km/h.<BR>\n" );
document.write( "a) Draw a graph of each boat's journey on the same set of axes<BR>\n" );
document.write( "b)Use your graphs to find the winner or the race<BR>\n" );
document.write( "c)Check your answer algebraically<BR>\n" );
document.write( "d) Write a short description of what happened to each boat in the race\r<BR>\n" );
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document.write( "PLEASE HELP </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #282494 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=282494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y= 20x<BR>\n" );
document.write( "500=20x<BR>\n" );
document.write( "x=25 hours<BR>\n" );
document.write( "red line<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y = 5+25x<BR>\n" );
document.write( "500=5+25x<BR>\n" );
document.write( "495=25x<BR>\n" );
document.write( "x=495/25<BR>\n" );
document.write( "x=19.8 hours<BR>\n" );
document.write( "green line\r<BR>\n" );
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document.write( "...<BR>\n" );
document.write( "y= 10+40x<BR>\n" );
document.write( "500=10+40x<BR>\n" );
document.write( "490=40x<BR>\n" );
document.write( "490/40=x<BR>\n" );
document.write( "x= 12.25 hours<BR>\n" );
document.write( "Blue line<BR>\n" );
document.write( "...<BR>\n" );
document.write( "y represents the distance travelled<BR>\n" );
document.write( "x the time travelled.<BR>\n" );
document.write( "the third boat reaches first, The second boat comes second. The first boat last.\r<BR>\n" );
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document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C500%2C-10%2C30%2C-50%2C550%2Ccircle%2812.25%2C500%2C0.5%29%2Ccircle%2825%2C500%2C0.5%29%2Ccircle%2819.8%2C500%2C0.5%29%2C%28grid%281%29%29%2Cgraph%28500%2C500%2C-10%2C30%2C-50%2C550%2Cy=%2820x%29%2Cy=5%2B25x%2Cy=10%2B40x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "m.annath@hotmail.ca<BR>\n" );
document.write( " </SPAN>\n" );
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