document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=921442>Question 921442</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if the food for 15 people lasts in 210 days after 10 days  15 members are added then the food will last for how many days  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559067 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=559067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if the food for 15 people lasts in 210 days<BR>\n" );
document.write( "amt of food available as measured in people-days<BR>\n" );
document.write( "15 * 210 = 3150<BR>\n" );
document.write( ":<BR>\n" );
document.write( "after 10 days 15 members are added then the food will last for how many days<BR>\n" );
document.write( "let d = no. of days after 15 members are added, then a total of 30 members<BR>\n" );
document.write( "15*(10) + 30d = 3150<BR>\n" );
document.write( "150 + 30d = 3150<BR>\n" );
document.write( "30d = 3150-150<BR>\n" );
document.write( "30d = 3000<BR>\n" );
document.write( "d = 3000/30<BR>\n" );
document.write( "d = 100 days after 15 more were added  </SPAN>\n" );
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