document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=777658>Question 777658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Beth had planned to run an average of 6 miles per hour in a race. She had a very good race and actually ran at an average speed of 7 miles per hour, finishing 10 minutes sooner than she would have if she had averaged 6 miles per hour. How long was the race? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #474216 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=474216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Beth had planned to run an average of 6 miles per hour in a race. She had a very good race and actually ran at an average speed of 7 miles per hour, finishing 10 minutes sooner than she would have if she had averaged 6 miles per hour. How long was the race?\r<BR>\n" );
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document.write( "time taken with speed of 6 mph - time taken with speed of 7 mph =10minutes\r<BR>\n" );
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document.write( "t=d/r\r<BR>\n" );
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document.write( "let x be the distance of the race<BR>\n" );
document.write( "time = x/6 ( planned)\r<BR>\n" );
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document.write( "(x/7) = actual time\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F6-x%2F7=10%2F60 ALIGN=MIDDLE  ALT=\"x%2F6-x%2F7=10%2F60\"   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=x%2F6-x%2F7+=+1%2F6 ALIGN=MIDDLE  ALT=\"x%2F6-x%2F7+=+1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply equation by 42\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2A42%29%2F6+-%28x%2A42%29%2F7+=42%2F6 ALIGN=MIDDLE  ALT=\"%28x%2A42%29%2F6+-%28x%2A42%29%2F7+=42%2F6\"   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=7x-6x=7 ALIGN=MIDDLE  ALT=\"7x-6x=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "x=7=> distance\r<BR>\n" );
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document.write( " </SPAN>\n" );
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