document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=275564>Question 275564</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels from one town to another at a speed of 32 mph. If it had gone 4 mph faster, it could have made the trip in 1/2 hr less time. How far apart are the towns?\r<BR>\n" );
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document.write( "So far I have 32t = 36t + 18<BR>\n" );
document.write( "-32t + 32t = 36t - 32t + 18 - 18<BR>\n" );
document.write( "-18 = 4t<BR>\n" );
document.write( "-18/4t = 4t/4<BR>\n" );
document.write( "-4 1/2 = t\r<BR>\n" );
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document.write( "d = 32t<BR>\n" );
document.write( "d = 32(-4.5)<BR>\n" );
document.write( "d = -144 <BR>\n" );
document.write( "Is this right?<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 #200987 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=200987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The distance cannot be negative so I guess your work is questionable.<BR>\n" );
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document.write( "A car travels from one town to another at a speed of 32 mph. If it had gone 4 mph faster, it could have made the trip in 1/2 hr less time. How far apart are the towns?<BR>\n" );
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document.write( "Early DATA:<BR>\n" );
document.write( "rate = 32 mph ; distance = x miles; time = d/r = x/32 hrs<BR>\n" );
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document.write( "New DATA:<BR>\n" );
document.write( "rate = 36 mph ; distance = x miles ; time = d/r = x/36 hrs<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "old time - new time = 1/2 hr<BR>\n" );
document.write( "(x/32) - (x/36) = 1/2<BR>\n" );
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document.write( "Simplify the left side to get:<BR>\n" );
document.write( "(36x-32x)/32*36 = 1/2<BR>\n" );
document.write( "4x = (32*36)/2<BR>\n" );
document.write( "x = (9*16) <BR>\n" );
document.write( "x = 144 miles (distance apart)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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