document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166763>Question 166763</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1579243258/algebrahomeworkh>Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Word problems using inequalities.  Please help \r<BR>\n" );
document.write( "\n" );
document.write( "Jeff bikes for three hours and his brother bikes four hours.  Although Jeff bikes 15 mph faster, his total distance was at most twice as far as his brother's.  How fast does each ride?\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Joe </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122914 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=122914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> </pre><font size=4><b><BR>\n" );
document.write( "Working Eqn ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed=Distance%2Ftime ALIGN=MIDDLE  ALT=\"Speed=Distance%2Ftime\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Conditions:<BR>\n" );
document.write( "Speed of Jeff: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5Bjf%5D=x%2B15 ALIGN=MIDDLE  ALT=\"S%5Bjf%5D=x%2B15\"   DISABLED_style= \"max-width:90%; height:auto;\" >, 15mph faster than brother<BR>\n" );
document.write( "Speed of brother: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5Bbr%5D=x ALIGN=MIDDLE  ALT=\"S%5Bbr%5D=x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Distance covered by Jeff in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bjf%5D=3hours ALIGN=MIDDLE  ALT=\"t%5Bjf%5D=3hours\"   DISABLED_style= \"max-width:90%; height:auto;\" >: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5Bjf%5D=2%2AD%5Bbr%5D ALIGN=MIDDLE  ALT=\"D%5Bjf%5D=2%2AD%5Bbr%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, twice that of brother covered in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5Bbr%5D=4hours ALIGN=MIDDLE  ALT=\"t%5Bbr%5D=4hours\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Via Working eqn,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=%28Speed%29%28time%29 ALIGN=MIDDLE  ALT=\"D=%28Speed%29%28time%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We equate the 2 distances by both:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5Bjf%5D=2D%5Bbr%5D ALIGN=MIDDLE  ALT=\"D%5Bjf%5D=2D%5Bbr%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28S%5Bjf%5D%29%28t%5Bjf%5D%29=2%28%28S%5Bbr%5D%29%28t%5Bbr%5D%29%29 ALIGN=MIDDLE  ALT=\"%28S%5Bjf%5D%29%28t%5Bjf%5D%29=2%28%28S%5Bbr%5D%29%28t%5Bbr%5D%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B15%29%283hrs%29=2%28%28x%29%284hrs%29%29 ALIGN=MIDDLE  ALT=\"%28x%2B15%29%283hrs%29=2%28%28x%29%284hrs%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B45=8x ALIGN=MIDDLE  ALT=\"3x%2B45=8x\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45=8x-3x=5x ALIGN=MIDDLE  ALT=\"45=8x-3x=5x\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2845%299%2Fcross%285%29=cross%285%29x%2Fcross%285%29 ALIGN=MIDDLE  ALT=\"cross%2845%299%2Fcross%285%29=cross%285%29x%2Fcross%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=9mph%29 ALIGN=MIDDLE  ALT=\"highlight%28x=9mph%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Speed of brother<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2B15=highlight%2824mph%29 ALIGN=MIDDLE  ALT=\"9%2B15=highlight%2824mph%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Speed of Jeff<BR>\n" );
document.write( "In doubt? Let's check their distance, via working eqn,<BR>\n" );
document.write( "Distance covered by Jeff is twice as much ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5Bjf%5D=%2824%29%283%29=72miles ALIGN=MIDDLE  ALT=\"D%5Bjf%5D=%2824%29%283%29=72miles\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5Bbr%5D=%289%29%284%29=36miles%29 ALIGN=MIDDLE  ALT=\"D%5Bbr%5D=%289%29%284%29=36miles%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo</pre><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );