document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1191968>Question 1191968</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose a family drives an average rate of 60mi/h on the way to visit relatives and then at an average rate of 40mi/h on the way back. The return trip takes 1h longer than the trip there.\r<BR>\n" );
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document.write( "a. Let d be the distance in miles the family traveled to visit their relatives. How many hours did they take to drive there?\r<BR>\n" );
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document.write( "b. In terms of d, how many hours did it take to make the return trip?\r<BR>\n" );
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document.write( "c. Write and solve an equation to determine the distance the family traveled to see their relatives. What was the average rate for the entire trip?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #823835 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=823835\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "             SPEED          TIME              DIST.\r\n" );
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document.write( "GOING          60           d/60                 d\r\n" );
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document.write( "RETURN         40           d/40                 d\r\n" );
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document.write( "DIFF.                         1\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F40-d%2F60=1 ALIGN=MIDDLE  ALT=\"d%2F40-d%2F60=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify and solve for d. </SPAN>\n" );
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