document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=529505>Question 529505</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help!\r<BR>\n" );
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document.write( "A person travels 15 miles in 1/3  of an hour, then returns by traveling that same 15 miles in 1/7  of an hour. What is that person's average rate for the trip?\r<BR>\n" );
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document.write( "thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #349641 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=349641\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A person travels 15 miles in 1/3 of an hour, then returns by traveling that same 15 miles in 1/7 of an hour.<BR>\n" );
document.write( " What is that person's average rate for the trip? <BR>\n" );
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document.write( "Let a = the average speed of the 30 mi trip<BR>\n" );
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document.write( "Write a time equation, time = dist/speed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F%281%2F3%29 ALIGN=MIDDLE  ALT=\"15%2F%281%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F%281%2F7%29 ALIGN=MIDDLE  ALT=\"15%2F%281%2F7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "invert the dividing fraction and multiply<BR>\n" );
document.write( "3(15) + 7(15) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "45 + 105 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "150 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fa ALIGN=MIDDLE  ALT=\"30%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by a<BR>\n" );
document.write( "150a = 30<BR>\n" );
document.write( "divide both sides by 150<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F150 ALIGN=MIDDLE  ALT=\"30%2F150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph hr is the average speed </SPAN>\n" );
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