document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=866368>Question 866368</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle has a perimeter of 8s x 1/4 units.  Which of the following could not be the dimensions of the rectangle?\r<BR>\n" );
document.write( "\n" );
document.write( "A.  3s units long and s x 1/8 units wide\r<BR>\n" );
document.write( "\n" );
document.write( "B.  2s units long and 2s x 1/8 units wide\r<BR>\n" );
document.write( "\n" );
document.write( "C.  3s x 1/16 units long and s x 1/8 units wide\r<BR>\n" );
document.write( "\n" );
document.write( "D.  2s x 1/16 units long and 2s x 1/16 units wide\r<BR>\n" );
document.write( "\n" );
document.write( "This is for my child, we've searched to arrive at the answer but are stumped on the formula to arrive at the answer.  Given me/us the answer is not what we want but an explanation on how to arrive at the answer or in this case, which would not be the answer.\r<BR>\n" );
document.write( "\n" );
document.write( "Thanks,\r<BR>\n" );
document.write( "\n" );
document.write( "Parent confused </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #522275 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=522275\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What does each symbol in the 8s x 1/4 mean?  Is it, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8s%2A%281%2F4%29 ALIGN=MIDDLE  ALT=\"8s%2A%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >?  We need more information to understand how s is related to either or both dimensions.\r<BR>\n" );
document.write( "\n" );
document.write( "Using w for width and L for length, the formula for perimeter is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Aw%2B2%2AL ALIGN=MIDDLE  ALT=\"2%2Aw%2B2%2AL\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which can also be expressed <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A%28w%2BL%29 ALIGN=MIDDLE  ALT=\"2%2A%28w%2BL%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "As I spend some time thinking about the symbols, the \"x\" seems to be \"multiplication\"; and you might be able to test of the answer choices to see which one, when applying the perimeter formula, gives you the 8s(1/4) result.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28Quick+mental+check+seems+to+suggest+choice+D%29 ALIGN=MIDDLE  ALT=\"cross%28Quick+mental+check+seems+to+suggest+choice+D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "(More careful calculation on paper showed that none of the choices is correct.) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );