document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946814>Question 946814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes 40 minutes for 7 people to paint 6 walls.\r<BR>\n" );
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document.write( "How many minutes does it take 4 people to paint 3 walls?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577612 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=577612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the general formula for these types of problem is r * p * t = q\r<BR>\n" );
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document.write( "r = rate of work per person<BR>\n" );
document.write( "p = number of persons<BR>\n" );
document.write( "t = time <BR>\n" );
document.write( "q = quantity of work performed.\r<BR>\n" );
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document.write( "in this problem, you get:\r<BR>\n" );
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document.write( "r = what you want to solve for<BR>\n" );
document.write( "p = 7<BR>\n" );
document.write( "t = 40 minutes<BR>\n" );
document.write( "q = 6 walls\r<BR>\n" );
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document.write( "formula becomes r * 7 * 40 = 6<BR>\n" );
document.write( "solve for r to get r = 6 / 280\r<BR>\n" );
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document.write( "now that you know r, you can solvde for t in the second part of the problem.\r<BR>\n" );
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document.write( "you get r = 6/280<BR>\n" );
document.write( "p = 4<BR>\n" );
document.write( "t = what you want to solve for<BR>\n" );
document.write( "q = 3\r<BR>\n" );
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document.write( "formula becomes 6/280 * 4 * t = 3<BR>\n" );
document.write( "solve for t to get t = (3 * 280) / (4 * 6) = 35\r<BR>\n" );
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document.write( "your solution is that t = 35 minutes.\r<BR>\n" );
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document.write( "r * p * t = 3 becomes 6/280 * 4 * 35 = 3\r<BR>\n" );
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document.write( "simplify to get 3 = 3, confirming the solution is correct.\r<BR>\n" );
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