document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=277923>Question 277923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the formula: P=MT+B (Y=MX+B) P= population of a town which is chosen to be 5,000 M= 250 (rate of population growth) T= amount of years gone by in order to determine population growth. and B= known population number when T=0.\r<BR>\n" );
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document.write( "I figured out that part of the equation, but now they want us to find how many years it will take the population to approximate 7,000 people. <BR>\n" );
document.write( "I thought about using this equation P=250/t+5,000, but I don't know if that makes sense. I don't know what equation to use or how to solve it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #202311 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=202311\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> equation is:\r<BR>\n" );
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document.write( "P = MT + B where:\r<BR>\n" );
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document.write( "M is the rate of growth<BR>\n" );
document.write( "P is the population when T = 0.\r<BR>\n" );
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document.write( "If the population of the town is chosen to be 5000, then that makes B = 5000\r<BR>\n" );
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document.write( "If the rate of the population growth = 250, then M = 250\r<BR>\n" );
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document.write( "your equation should be:\r<BR>\n" );
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document.write( "P = 250*T + 5000\r<BR>\n" );
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document.write( "T is the number of years.\r<BR>\n" );
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document.write( "for the population to reach 7000, your formula needs to be:\r<BR>\n" );
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document.write( "7000 = 250*T + 5000\r<BR>\n" );
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document.write( "subtract 5000 from both sides of this equation to get:\r<BR>\n" );
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document.write( "2000 = 250*T\r<BR>\n" );
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document.write( "divide both sides of this equation by 250 to get:\r<BR>\n" );
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document.write( "2000/250 = T\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "T = 8\r<BR>\n" );
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document.write( "It would take 8 years for the population that starts at 5000 to reach 7000 if it grows at a rate of 250 people per year.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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