document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=803076>Question 803076</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A rectangular room is 1.7 times as long as it is wide, and its perimeter is 25 meters. Find the dimension of the room. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #484116 by </B><A HREF=/tutors/aboutme.mpl?userid=homeworkhedgehog><B>homeworkhedgehog(9)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=homeworkhedgehog><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=homeworkhedgehog><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=484116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We need to translate the first sentence into a mathy expression. We'll let L stand for length, and W width.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+1.7%2AW ALIGN=MIDDLE  ALT=\"L+=+1.7%2AW\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We know that the Perimeter is all the sides added up. So \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+L+%2B+L+%2B+W+%2B+W ALIGN=MIDDLE  ALT=\"P+=+L+%2B+L+%2B+W+%2B+W\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We can substitute L = 1.7W into our equation for Perimeter:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+%281.7W%29+%2B+%281.7W%29+%2B+W+%2B+W ALIGN=MIDDLE  ALT=\"P+=+%281.7W%29+%2B+%281.7W%29+%2B+W+%2B+W\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and combine 'like' terms\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=5.4W ALIGN=MIDDLE  ALT=\"P=5.4W\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now the question tells us that P = 25, so we can substitute THAT into the equation for Perimeter:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2825%29=5.4W ALIGN=MIDDLE  ALT=\"%2825%29=5.4W\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and solve for W by dividing both sides by 5.4:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W=4.63 ALIGN=MIDDLE  ALT=\"W=4.63\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters\r<BR>\n" );
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document.write( "We can find out what the length, L, is by multiplying W by 1.7\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=1.7%284.63%29 ALIGN=MIDDLE  ALT=\"L=1.7%284.63%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=7.87 ALIGN=MIDDLE  ALT=\"L=7.87\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters\r<BR>\n" );
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document.write( "We can check our work to see if all the sides add up to equal 25.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.63%2B4.63%2B7.87%2B7.87 ALIGN=MIDDLE  ALT=\"4.63%2B4.63%2B7.87%2B7.87\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25 ALIGN=MIDDLE  ALT=\"25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So it checks out. </SPAN>\n" );
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