document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141559>Question 141559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve?\r<BR>\n" );
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document.write( "A person traveled 120 miles in one direction. The return trip was accomplished at double the speed and took three hours less time. Find the speed going. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103145 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=103145\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I solve?<BR>\n" );
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document.write( "Let x = speed going<BR>\n" );
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document.write( "2x = return speed<BR>\n" );
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document.write( "A person traveled 120 miles in one direction. The return trip was accomplished at double the speed and took three hours less time. Find the speed going.<BR>\n" );
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document.write( "Write a time equation: Time = dist/speed<BR>\n" );
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document.write( "Going time = return time + 3 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2Fx ALIGN=MIDDLE  ALT=\"120%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2F%282x%29 ALIGN=MIDDLE  ALT=\"120%2F%282x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 3<BR>\n" );
document.write( "Multiply equation by 2x to get rid of the denominator:<BR>\n" );
document.write( "2(120) = 120 + 3(2x)<BR>\n" );
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document.write( "240 = 120 + 6x<BR>\n" );
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document.write( "240 - 120 = 6x<BR>\n" );
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document.write( "120 = 6x<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2F6 ALIGN=MIDDLE  ALT=\"120%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 20 mph is the go speed<BR>\n" );
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document.write( "Check solution by finding the times<BR>\n" );
document.write( "120/20 = 6 hrs<BR>\n" );
document.write( "120/40 = 3 hrs<BR>\n" );
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document.write( "differ = 3 hrs </SPAN>\n" );
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