document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765227>Question 765227</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kelsey drives to her sister’s house in 5 hours when there is heavy traffic.  When there is no traffic, the same trip takes 4 hours.  She can drive an average of 12 mph faster when there is no traffic than when there is heavy traffic.  What is the distance from her house to her sister’s house?\r<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 #466022 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=466022\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q:<BR>\n" );
document.write( "Kelsey drives to her sister’s house in 5 hours when there is heavy traffic.  When there is no traffic, the same trip takes 4 hours.  She can drive an average of 12 mph faster when there is no traffic than when there is heavy traffic.  What is the distance from her house to her sister’s house?<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "Let x = distance from Kelsey's house to her sister’s house<BR>\n" );
document.write( "(speed when there is no traffic) - (speed when there is traffic) = 12 mph<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F4+-+x%2F5+=+12 ALIGN=MIDDLE  ALT=\"x%2F4+-+x%2F5+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%28x%2F4+-+x%2F5%29+=+60%2812%29 ALIGN=MIDDLE  ALT=\"60%28x%2F4+-+x%2F5%29+=+60%2812%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "15x - 12x = 720<BR>\n" );
document.write( "3x = 720<BR>\n" );
document.write( "x = 240 miles<BR>\n" );
document.write( "ANSWER: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28240%29 ALIGN=MIDDLE  ALT=\"highlight%28240%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles </SPAN>\n" );
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