document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=692583>Question 692583</A>: <I><SPAN STYLE=\"word-break: break-all;\">  David is 1/4 mile from home bicycling at 21 mph when his brother takes off on his bike from home trying to catch him. How fast must David’s brother go to catch David a mile from home? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427245 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=427245\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  David is 1/4 mile from home bicycling at 21 mph, when his brother takes off on his bike from home trying to catch him.<BR>\n" );
document.write( " How fast must David’s brother go to catch David a mile from home?<BR>\n" );
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document.write( "Brother has to ride 1 mile while David rides 3/4 of a mile (use .75 mi)<BR>\n" );
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document.write( "Let s = brothers required speed, to accomplish this<BR>\n" );
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document.write( "Write a time equation, time = dist/speed <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.75%2F21 ALIGN=MIDDLE  ALT=\".75%2F21\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fs ALIGN=MIDDLE  ALT=\"1%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply<BR>\n" );
document.write( ".75s = 1 * 21<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21%2F.75 ALIGN=MIDDLE  ALT=\"21%2F.75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 28 mph<BR>\n" );
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document.write( "Find the times, should be equal<BR>\n" );
document.write( "1/28 = .0357 hrs<BR>\n" );
document.write( ".75/21 = .0357 </SPAN>\n" );
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