document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366208>Question 366208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John and William leave their home traveling in opposite directions on a straight road. John drives 20 miles per hour faster than William. After 4 hours they are 250 miles apart.\r<BR>\n" );
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document.write( "a. Define a variable for John's rate. Write an expression for William's rate.<BR>\n" );
document.write( "b. Write and solve an equation to find John's rate. Then find William's rate. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #260951 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=260951\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> John and William leave their home traveling in opposite directions on a straight road. John drives 20 miles per hour faster than William. After 4 hours they are 250 miles apart. <BR>\n" );
document.write( "a. Define a variable for John's rate: x mph <BR>\n" );
document.write( "Write an expression for William's rate: x-20 mph<BR>\n" );
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document.write( "b. Write and solve an equation to find John's rate. Then find William's rate.<BR>\n" );
document.write( "They are separating at the rate of x + x-20 = 2x-20 mph.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "time*rate = distance<BR>\n" );
document.write( "4(2x-20) = 250 miles<BR>\n" );
document.write( "8x-80 = 250<BR>\n" );
document.write( "8x = 330 miles<BR>\n" );
document.write( "x = 41.25 <BR>\n" );
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document.write( "William's rate = x-20 = 21.25 mph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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