document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78951>Question 78951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please help me with this?  I have started back to school after a 30 year absence and I'm lost.  I have no prior knowledge of algebra and now I'm \"required\" take the class. Help!!!!!  I believe this stuff is supposed to be answered with the x,y, etc. stuff.  How I don't know!! Here is the Problem: \r<BR>\n" );
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document.write( "It is approximately 480 miles from Los Angeles, California, to San Francisco, California. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.<BR>\n" );
document.write( "a) How far have you traveled after 3 hours?<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 #56673 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=56673\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is approximately 480 miles from Los Angeles, California, to San Francisco, California. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.<BR>\n" );
document.write( "a) How far have you traveled after 3 hours?<BR>\n" );
document.write( "distance = rate*time<BR>\n" );
document.write( "distance = (60mi/hr)(3 hr)= 180 miles<BR>\n" );
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document.write( "b) How far have you traveled after 4 hours?<BR>\n" );
document.write( "Answer: <BR>\n" );
document.write( "Show work in this space.<BR>\n" );
document.write( "distance=rate*time<BR>\n" );
document.write( "distance=60mph*4hr = 240 mi<BR>\n" );
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document.write( "c) How far have you traveled after t hours (i.e., write a linear function that expresses the distance traveled, d, as a function of time, t).<BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "distance=rate*time<BR>\n" );
document.write( "distace=60t miles<BR>\n" );
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document.write( "d) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 3 hours?<BR>\n" );
document.write( "Answer: <BR>\n" );
document.write( "Show work in this space.<BR>\n" );
document.write( "Let x be the remaining distance.<BR>\n" );
document.write( "x=480-60*3<BR>\n" );
document.write( "x=480-180<BR>\n" );
document.write( "x=300 miles<BR>\n" );
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document.write( "e) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled 4 hours?<BR>\n" );
document.write( "Answer: <BR>\n" );
document.write( "Show work in this space.<BR>\n" );
document.write( "Let x be the remaining distance.<BR>\n" );
document.write( "x=480-60*4<BR>\n" );
document.write( "x=480-240<BR>\n" );
document.write( "x=240 miles<BR>\n" );
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document.write( "f) How far will you HAVE LEFT to travel to reach San Francisco after you have traveled t hours (i.e., write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t).<BR>\n" );
document.write( "s=480-60t\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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