document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204080>Question 204080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me solve this problem?\r<BR>\n" );
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document.write( "Steve traveled 150 miles at a certain speed.  Had he gone 20mph faster, the trip would have taken 2 hrs less.  Find the speed of his vehicle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #154013 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=154013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Velocity  = distance  / Time  ,,,,or  t= d/v<BR>\n" );
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document.write( "T1 -2 = T2<BR>\n" );
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document.write( "150/v -2 = 150 /(v+20)<BR>\n" );
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document.write( "mult  thru  by  v(v+20)<BR>\n" );
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document.write( "150(v+20) -2(v)(v+20) = 150(v)<BR>\n" );
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document.write( "150v +3000 -2v^2 -40v =150v<BR>\n" );
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document.write( "-2v^2 -40v +3000 = 0<BR>\n" );
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document.write( "v^2 +20v -1500 = 0<BR>\n" );
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document.write( "(v+50)(v-30) = 0<BR>\n" );
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document.write( "v= 30,  -50 ( not  realistic)<BR>\n" );
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document.write( "check<BR>\n" );
document.write( "150/30=5,,,150/(30+20) =3,,,,ok\r<BR>\n" );
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