document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=350611>Question 350611</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike drives to a friend's house at 40 mi/h. He drives home the same route at 45 mi/h.  The total trip took 4 hours.  What is the total distance mike drives? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #250606 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=250606\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi,<BR>\n" );
document.write( "*Note: Let t be the time to drive to Friend's house. (4hr-t) would then be the time left to drive home.<BR>\n" );
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document.write( "distance same both ways r*t = d<BR>\n" );
document.write( "40(mi/hr)*t = 45(mi/hr)*(4hr-t)<BR>\n" );
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document.write( "Simplify and Solve<BR>\n" );
document.write( "85(mi/hr)*t= 180mi<BR>\n" );
document.write( "t = 180/85 hr<BR>\n" );
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document.write( "d =40(mi/hr)*180/85 hr = 84.7mi </SPAN>\n" );
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