document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=165092>Question 165092</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an infiniti G35 travels at an average speed of 50 miles per hour. A Mercury Mountaineer travels at an average speed of 40 miles per hour. In the time it takes the Mountaineer to travel a certain distance d, the Infiniti travels 100 miles farther. Find the distance that each car travels and the time of the trip.\r<BR>\n" );
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document.write( "thank You for any and all help you can give me. Can't figure out how to set this up. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121682 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=121682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> there are two equations and two unknowns (distance and time)<BR>\n" );
document.write( "__ solving by substitution is probably the best technique<BR>\n" );
document.write( "__ d=rt\r<BR>\n" );
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document.write( "G35 __  d+100=50t\r<BR>\n" );
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document.write( "Mountaineer __ d=40t\r<BR>\n" );
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document.write( "substituting __ (40t)+100=50t __ 100=10t __ 10=t\r<BR>\n" );
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document.write( "substituting __ d=40(10) __ d=400 </SPAN>\n" );
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