document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=426491>Question 426491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The base of a triangle is 3 less than the height. The area of the triangle is 20. Find<BR>\n" );
document.write( "the base of the triangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #296679 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=296679\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solution:Denote x the height of triangle. We know that the area of triangle is:\r<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28b%2Ah%29%2F2 ALIGN=MIDDLE  ALT=\"A=%28b%2Ah%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Solve this literal equation with respect to b :\r<BR>\n" );
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document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2AA=b%2Ah ALIGN=MIDDLE  ALT=\"2%2AA=b%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=%282%2AA%29%2Fh ALIGN=MIDDLE  ALT=\"b=%282%2AA%29%2Fh\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Substitute A=20 and h=x and we have:\r<BR>\n" );
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document.write( "    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b=%282%2A20%29%2Fx ALIGN=MIDDLE  ALT=\"+b=%282%2A20%29%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now we write the equation:\r<BR>\n" );
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document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-%282%2A20%29%2Fx=3 ALIGN=MIDDLE  ALT=\"x-%282%2A20%29%2Fx=3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Solve this equation:\r<BR>\n" );
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document.write( "   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-3x-40=0 ALIGN=MIDDLE  ALT=\"x%5E2-3x-40=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > There are two roots {-13,5}.\r<BR>\n" );
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document.write( " We reject the root -13 because the dimensions are always positive integers.\r<BR>\n" );
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document.write( "Answer: The base of triangle is 5 (units: m, cm, feet) </SPAN>\n" );
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