document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=667750>Question 667750</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom traveled a distance of 265 miles. He drove at 40 miles/hour during the first part of the trip and at 35 miles/hour during the remaining part. If he made the trip in 7 hours, how long did he travel at 40 miles/hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #415151 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=415151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let him drive x miles at 40 mi/h\r<BR>\n" );
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document.write( "he will drive (265-x) miles at 35 mi/h\r<BR>\n" );
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document.write( "total time = 7 hours\r<BR>\n" );
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document.write( "Time first leg + time second leg = 7\r<BR>\n" );
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document.write( "t=d/r<BR>\n" );
document.write( "x/40 + (265-x)/35 =7\r<BR>\n" );
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document.write( "LCD = 280 <BR>\n" );
document.write( "multiply equation by LCD<BR>\n" );
document.write( "7x+8(265-x)=7*280\r<BR>\n" );
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document.write( "7x+2120-8x=1960\r<BR>\n" );
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document.write( "-x= 1960-2120<BR>\n" );
document.write( "-x=-160<BR>\n" );
document.write( "x= 160 \r<BR>\n" );
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document.write( "he travels 160 miles at 40 mi/h </SPAN>\n" );
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