document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=221589>Question 221589</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tree grows 1/2 inch per year.  The tree is currently 50 feet tall; how long will it take to grow to 60 feet?  Answers must be shown as a one variable algebraic equation with 'x' equaling the same value on each side of the equation.  I believe the correct answer is 240 years, but I don't know how to show the work in the proper way.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166161 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=166161\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tree grows 1/2 inch per year. The tree is currently 50 feet tall; how long will it take to grow to 60 feet? Answers must be shown as a one variable algebraic equation with 'x' equaling the same value on each side of the equation. I believe the correct answer is 240 years, but I don't know how to show the work in the proper way. <BR>\n" );
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document.write( "Slope is always the amount y grows when x increases by one.<BR>\n" );
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document.write( "slope = 1/2 inch per year<BR>\n" );
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document.write( "intercept is always the value of y at zero, or at the \"beginning\".<BR>\n" );
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document.write( "intercept = 50 feet = 600 inches<BR>\n" );
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document.write( "height = (1/2)t+600<BR>\n" );
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document.write( "How long to get to a height of 60 ft. or 720 inches<BR>\n" );
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document.write( "(1/2)t + 600 = 720<BR>\n" );
document.write( "(1/2)t = 120<BR>\n" );
document.write( "t = 240 years<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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