document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273579>Question 273579</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Fred and Wilma start on a hike at 4 mi/hr. Three hours later barney discovers that they had forgotten their lunch and started after them on his bike at 12 mi/hr. How far had Fred and Wilma traveled when Barney caught up with them? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199819 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16949)</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=199819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Fred and Wilma start on a hike at 4 mi/hr. Three hours later barney discovers that they had forgotten their lunch and started after them on his bike at 12 mi/hr. How far had Fred and Wilma traveled when Barney caught up with them?\r<BR>\n" );
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document.write( "fred and wilma have traveled 12 miles in three hours when barney starts\r<BR>\n" );
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document.write( "Let the distance at which they meet be x\r<BR>\n" );
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document.write( "x-12 is the distance fred & wilma travel after barney starts & meets them.\r<BR>\n" );
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document.write( "Distance traveled by barney is x\r<BR>\n" );
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document.write( "time taken by fred & wilma is x-12/  3\r<BR>\n" );
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document.write( "time taken by barney is x/12\r<BR>\n" );
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document.write( "But these two times are same\r<BR>\n" );
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document.write( "x-12/3  = x/12\r<BR>\n" );
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document.write( "12(x-1<BR>\n" );
document.write( "12x-144=3x2)=3x\r<BR>\n" );
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document.write( "12x-3x=144<BR>\n" );
document.write( "9x=144\r<BR>\n" );
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document.write( "x=16\r<BR>\n" );
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document.write( "fred and wilma have traveled 12+16 miles when Barney catches up.\r<BR>\n" );
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document.write( "x=16\r<BR>\n" );
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document.write( " </SPAN>\n" );
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