document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=712056>Question 712056</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One morning, Justin drove 3 hours before stopping to eat lunch at Pizza Hut. After lunch, he increased his speed by 10 mph. If he completed a 270-mile trip in 6 hours of driving time, how fast did he drive in the morning? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437724 by </B><A HREF=/tutors/aboutme.mpl?userid=Menjax><B>Menjax(62)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Menjax><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=437724\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Speed = distance/Time\r<BR>\n" );
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document.write( "average speed = 270/6<BR>\n" );
document.write( "average speed = 45<BR>\n" );
document.write( "x = speed from point a to point b<BR>\n" );
document.write( "y = speed from pont b to point c<BR>\n" );
document.write( "x +10 = y<BR>\n" );
document.write( "x + y = 45<BR>\n" );
document.write( "x + x + 10 = 45<BR>\n" );
document.write( "2x = 35<BR>\n" );
document.write( "x = 17.5mph </SPAN>\n" );
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