document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213503>Question 213503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In isosceles trapezoid ABCD, the longer base, AB, is one and one half times as long as the short base, CD. The other two sides, AD and BC, are both 13 cm long.\r<BR>\n" );
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document.write( "A. If the perimeter is 76 cm, find the lengths of AB and CD.\r<BR>\n" );
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document.write( "this is what i did:\r<BR>\n" );
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document.write( "AD = 13<BR>\n" );
document.write( "BC = 13<BR>\n" );
document.write( "CD = x<BR>\n" );
document.write( "AB = x* 1 1/2\r<BR>\n" );
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document.write( "the equation i got : 13+13+x+1 1/2*x=76<BR>\n" );
document.write( "but when i follow through with the equation i can't get 76,<BR>\n" );
document.write( "help please, i have no idea what i'm doing wrong. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161310 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=161310\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note: the mixed fraction <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%261%2F2 ALIGN=MIDDLE  ALT=\"1%261%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is equivalent to the improper fraction <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F2 ALIGN=MIDDLE  ALT=\"3%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Ie. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%261%2F2=3%2F2 ALIGN=MIDDLE  ALT=\"1%261%2F2=3%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "So the equation becomes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2B13%2Bx%2B%283%2F2%29x=76 ALIGN=MIDDLE  ALT=\"13%2B13%2Bx%2B%283%2F2%29x=76\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If you multiply EVERY term by the LCD 2, you'll clear out the fractions to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26%2B26%2B2x%2Bx=152 ALIGN=MIDDLE  ALT=\"26%2B26%2B2x%2Bx=152\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Now you have a much simpler equation to solve. I'll let you do that. </SPAN>\n" );
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