document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102932>Question 102932</A>: <I><SPAN STYLE=\"word-break: break-all;\"> no text book\r<BR>\n" );
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document.write( "Trapazoid: A = 250 sq. m<BR>\n" );
document.write( "           b1 = 20 m<BR>\n" );
document.write( "           h = 10 m<BR>\n" );
document.write( "           Find b2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #75318 by </B><A HREF=/tutors/aboutme.mpl?userid=BurningFlame_marc><B>BurningFlame_marc(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=BurningFlame_marc><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=BurningFlame_marc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=75318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello!\r<BR>\n" );
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document.write( "First of all,we need to know how to get the area of a trapezoid.<BR>\n" );
document.write( "A=[(b1+b2)/2]h\r<BR>\n" );
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document.write( "Now with that equation we know that<BR>\n" );
document.write( "250=[(20+x)/2]10<BR>\n" );
document.write( "or you can say that<BR>\n" );
document.write( "250=[(20+x)*10]/2\r<BR>\n" );
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document.write( "now let's solve for x\r<BR>\n" );
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document.write( "250=[(20+x)*10]/2<BR>\n" );
document.write( "250=(200+10x)/2<BR>\n" );
document.write( "500=200+10x<BR>\n" );
document.write( "300=10x<BR>\n" );
document.write( "30=x<BR>\n" );
document.write( "x=30\r<BR>\n" );
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document.write( "Final Answer: 30 m  (don't forget to indicate the unit of measure) </SPAN>\n" );
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