document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=175275>Question 175275</A>: <I><SPAN STYLE=\"word-break: break-all;\"> shelly and jack left from the same place at the same time and drove in opposite directions along a straight road. Jack traveled 15 miles per hour faster than shelly. After 3 hours, they were 315 miles apart. Find the rate at which each traveled. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #130369 by </B><A HREF=/tutors/aboutme.mpl?userid=agosset><B>agosset(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=agosset><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=130369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We know that Speed equals distance over time\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed=Distance%2FTime ALIGN=MIDDLE  ALT=\"Speed=Distance%2FTime\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In this problem we are dealing with two speeds, Shelly's and Jack's<BR>\n" );
document.write( "And we know that Jack's speed is 15 miles faster:\r<BR>\n" );
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document.write( "Jack's (J) = Shelly's (S) + 15<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=S%2B15 ALIGN=MIDDLE  ALT=\"J=S%2B15\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then we know they have covered 315 miles (distance) after 3 hours (time)using their combined speeds. <BR>\n" );
document.write( "Since they are traveling opposite directions we need to add their speeds:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J%2BS=Distance%2Ftime ALIGN=MIDDLE  ALT=\"J%2BS=Distance%2Ftime\"   DISABLED_style= \"max-width:90%; height:auto;\" >   \r<BR>\n" );
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document.write( "We replace the known values for distance and speed:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J%2BS=315%2F3 ALIGN=MIDDLE  ALT=\"J%2BS=315%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Remember that J=S+15 so we replace J with the expression s+15\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28S%2B15%29+%2B+S+=+105 ALIGN=MIDDLE  ALT=\"%28S%2B15%29+%2B+S+=+105\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2s+%2B+15=105 ALIGN=MIDDLE  ALT=\"2s+%2B+15=105\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2s=105-15 ALIGN=MIDDLE  ALT=\"2s=105-15\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2s=90 ALIGN=MIDDLE  ALT=\"2s=90\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=90%2F2 ALIGN=MIDDLE  ALT=\"s=90%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=45 ALIGN=MIDDLE  ALT=\"s=45\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "And we know that Jacks is 15 more<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=S%2B15 ALIGN=MIDDLE  ALT=\"J=S%2B15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J=45%2B15 ALIGN=MIDDLE  ALT=\"J=45%2B15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=60 ALIGN=MIDDLE  ALT=\"j=60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Jack's speed= 60 Miles per hour\r<BR>\n" );
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document.write( "Rate= Speed<BR>\n" );
document.write( "Jacks= 60 Miles per hour<BR>\n" );
document.write( "Shelly's = 45 Miles per hour<BR>\n" );
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