document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550388>Question 550388</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a person on tour has 360 us for his daily expenses. if he extends his tour for 4 days , he has to cut down his daily expense by 3 us. find the original duration of the tour. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358691 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><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=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ex: 3 dollars per day for 5 days is 15 dollars equation looks like: 3d=15 3(5)=15 15 being total amount of money<BR>\n" );
document.write( "d=daily expense t=amount of days spent<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=dt ALIGN=MIDDLE  ALT=\"360=dt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%28d%2B4%29%28t-3%29 ALIGN=MIDDLE  ALT=\"360=%28d%2B4%29%28t-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "the more word problems you do the easier it is to recognize thes equations straight from the problem<BR>\n" );
document.write( "we want to find duration of tour (t) so solve first equation for (d) daily expenses to be able to substitute <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360%2Ft=d ALIGN=MIDDLE  ALT=\"360%2Ft=d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "use foil method before substitution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%28d%2B4%29%28t-3%29 ALIGN=MIDDLE  ALT=\"360=%28d%2B4%29%28t-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >foil<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%28dt%2B4t-3d-12%29 ALIGN=MIDDLE  ALT=\"360=%28dt%2B4t-3d-12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >add 12 to both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=372=dt%2B4t-3d ALIGN=MIDDLE  ALT=\"372=dt%2B4t-3d\"   DISABLED_style= \"max-width:90%; height:auto;\" >substitue for (d)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=372=%28360%2Ft%29t%2B4t-3%28360%2Ft%29 ALIGN=MIDDLE  ALT=\"372=%28360%2Ft%29t%2B4t-3%28360%2Ft%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > multiply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=372=360%2B4t-1080%2Ft ALIGN=MIDDLE  ALT=\"372=360%2B4t-1080%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >subtract 360 from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12=4t-1080%2Ft ALIGN=MIDDLE  ALT=\"12=4t-1080%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >multiply everything by t<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12t=4t%5E2-1080 ALIGN=MIDDLE  ALT=\"12t=4t%5E2-1080\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract 12t<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=4t%5E2-12t-1080 ALIGN=MIDDLE  ALT=\"0=4t%5E2-12t-1080\"   DISABLED_style= \"max-width:90%; height:auto;\" > take out the 4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=4%28t%5E2-3-270%29 ALIGN=MIDDLE  ALT=\"0=4%28t%5E2-3-270%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > find two numbers that multiply to get -270 and add to get -3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "270=2*5*3*3*3   find all prime numbers to easily find the two numbers your looking for<BR>\n" );
document.write( "3*5=15<BR>\n" );
document.write( "3*3*2=18<BR>\n" );
document.write( "15-18=-3<BR>\n" );
document.write( "15*-18=-270<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=4%28t-18%29%28t%2B15%29 ALIGN=MIDDLE  ALT=\"0=4%28t-18%29%28t%2B15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=18 ALIGN=MIDDLE  ALT=\"t=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=-15 ALIGN=MIDDLE  ALT=\"t=-15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t cant be negative so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=18%29 ALIGN=MIDDLE  ALT=\"highlight%28t=18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "to find d:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360%2Ft=d ALIGN=MIDDLE  ALT=\"360%2Ft=d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360%2F18=d ALIGN=MIDDLE  ALT=\"360%2F18=d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20=d ALIGN=MIDDLE  ALT=\"20=d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "check<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%28d%2B4%29%28t-3%29 ALIGN=MIDDLE  ALT=\"360=%28d%2B4%29%28t-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%2820%2B4%29%2818-3%29 ALIGN=MIDDLE  ALT=\"360=%2820%2B4%29%2818-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%2824%29%2815%29 ALIGN=MIDDLE  ALT=\"360=%2824%29%2815%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=%28360%29 ALIGN=MIDDLE  ALT=\"360=%28360%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "correct </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );