document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=830630>Question 830630</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark's grandmother's house is 78 miles away. Driving at a constant speed, it takes him one hour to get there. At the same speed, how many miles would he travel in 40 minutes? at what speed is he driving? show all work!\r<BR>\n" );
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document.write( "distance=speed*time   <BR>\n" );
document.write( "x=y*40 minutes <BR>\n" );
document.write( " ??? Completely lost!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #500750 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=500750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's the \"hour\" that confuses people in this type of problem.  Let's use minutes.<BR>\n" );
document.write( "In 60 minutes, Mark travels 78 miles<BR>\n" );
document.write( "How many miles does Mark travel in 40 minutes?<BR>\n" );
document.write( "40/60 = 2/3<BR>\n" );
document.write( "Mark travels 2/3 of his hourly distance in 40 minutes.<BR>\n" );
document.write( "2/3 * 78 = 52 miles </SPAN>\n" );
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