document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=194948>Question 194948</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618508155/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can anyone help to solve this problem?\r<BR>\n" );
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document.write( "Find the unknown base it height of the trapezoid.\r<BR>\n" );
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document.write( "A=112 ft^2, b1=11ft, b2=____, h=8ft </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153429 by </B><A HREF=/tutors/aboutme.mpl?userid=jsmallt9><B>jsmallt9(3758)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jsmallt9><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=153429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area of a trapezoid: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28%28b%5B1%5D+%2B+b%5B2%5D%29%2F2%29h ALIGN=MIDDLE  ALT=\"A+=+%28%28b%5B1%5D+%2B+b%5B2%5D%29%2F2%29h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We have all these numbers but the second base. So we can use this equation to find it:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=112+=+%28%2811+%2B+b%5B2%5D%29%2F2%29%288%29 ALIGN=MIDDLE  ALT=\"112+=+%28%2811+%2B+b%5B2%5D%29%2F2%29%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplifying the right side we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=112+=+%28%2811+%2B+b%5B2%5D%29%2F2%29%288%29+=+%2811+%2B+b%5B2%5D%294+=+44+%2B+4b%5B2%5D ALIGN=MIDDLE  ALT=\"112+=+%28%2811+%2B+b%5B2%5D%29%2F2%29%288%29+=+%2811+%2B+b%5B2%5D%294+=+44+%2B+4b%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solving for the variable we subtract 44 from both sides:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=68+=+4b%5B2%5D ALIGN=MIDDLE  ALT=\"68+=+4b%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide by 4:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=17+=+b%5B2%5D ALIGN=MIDDLE  ALT=\"17+=+b%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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