document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=417920>Question 417920</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help! Desperately need assistance. I feel braindead! This is so confusing. Water is being pumped out of a pool. the number of gallons \"W\" left in the pool at a time \"T\" can be modeled by W(t)= -7t plus 350. Please help. it will be greatly appreciated.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292535 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=292535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> W(t)= -7t plus 350. <BR>\n" );
document.write( "Assuming that you want to find how long (t) to empty the pool; W(t) = 0<BR>\n" );
document.write( "0 = -7t + 350<BR>\n" );
document.write( "add 7t to both sides<BR>\n" );
document.write( "7t = 350<BR>\n" );
document.write( "divide both sides by 7<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=350%2F7 ALIGN=MIDDLE  ALT=\"350%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 50 minutes or whatever the units for t you are using  </SPAN>\n" );
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