document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700953>Question 700953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a. Choose a third animal. Calculate its speed in yards per second. Compare its speed with the speed of the other two animals you chose in Activity 1.\r<BR>\n" );
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document.write( "the first two animals i chose were :<BR>\n" );
document.write( "fox 20.53 yards per second<BR>\n" );
document.write( " and a coyote 21.02 yards per second\r<BR>\n" );
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document.write( "the third animal i chose is Zebra travels 40 m/hr (19.56 yd/sec)\r<BR>\n" );
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document.write( "a. Compare the zebra's speed with the speed of the two other animals\r<BR>\n" );
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document.write( "b. Decide which two animals should get head starts and how much of a head start each should get. Write three equations relating distance from the starting line to time.\r<BR>\n" );
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document.write( "c. Graph all three equations on the same coordinate plane.\r<BR>\n" );
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document.write( "I'm really stuck here and don't know what to do, could anyone please help me and also explain how i should do this? especially c. how should i graph them?\r<BR>\n" );
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document.write( "I would really appreciate it if you would help me out.\r<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 #432096 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=432096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. Choose a third animal. Calculate its speed in yards per second. Compare its speed with the speed of the other two animals you chose in Activity 1. <BR>\n" );
document.write( "the first two animals i chose were :<BR>\n" );
document.write( "fox 20.53 yards per second<BR>\n" );
document.write( "and a coyote 21.02 yards per second <BR>\n" );
document.write( "the third animal i chose is Zebra travels 40 m/hr (19.56 yd/sec) \r<BR>\n" );
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document.write( "a. Compare the zebra's speed with the speed of the two other animals<BR>\n" );
document.write( "zebra-coyote = 19.56-21.02 = -1.46 yd/sec<BR>\n" );
document.write( "zebra-fox = 19.56 - 20.53 = -0.97 yd/<BR>\n" );
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document.write( "b. Decide which two animals should get head starts and how much of a head start each should get.<BR>\n" );
document.write( "If you want the race to be fair, the slowest animal needs the greater headstart.<BR>\n" );
document.write( "Zebra is slowest: 19.56 yd/sec<BR>\n" );
document.write( "then fox is next slowest: 20.53 yd/sec<BR>\n" );
document.write( "coyote is fastest:21.02 yd/sec<BR>\n" );
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document.write( "How much of a head start depends on the length of the race<BR>\n" );
document.write( "If the race is 100 yds, coyote will take dist/rate = 100/21.02  = 4.57 seconds<BR>\n" );
document.write( "fox will take 100/20.53 = 4.87 sec<BR>\n" );
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document.write( "So the fox needs a 4.87-4.57 = 0.3 sec head start.<BR>\n" );
document.write( "At the fox's rate that is a head start of 0.3*20.53 = 6.159 yards<BR>\n" );
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document.write( "Do the same for the zebra to figure out it's head start.<BR>\n" );
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document.write( "Write three equations relating distance from the starting line to time. <BR>\n" );
document.write( "c. Graph all three equations on the same coordinate plane.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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