document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70028>Question 70028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. A parking lot has a perimeter of 600 ft. the width is 30 ft less than the length. find the dimensions of the parking lot.\r<BR>\n" );
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document.write( "2. Solve and write in interval notation for the solution set<BR>\n" );
document.write( "    -5 <_ 2x + 1 < 7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49872 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=49872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Use the formula for a perimeter:<BR>\n" );
document.write( "Perimeter = 2(Length + Width)<BR>\n" );
document.write( "P=2(L+w)<BR>\n" );
document.write( "P=600<BR>\n" );
document.write( "L=L<BR>\n" );
document.write( "w=L-30<BR>\n" );
document.write( ".<BR>\n" );
document.write( "P=2(L+w)<BR>\n" );
document.write( "600=(2(L+(L-30)) [plug-in the values]<BR>\n" );
document.write( "600=2(2L-30) [simplify]<BR>\n" );
document.write( "600/2=2(2L -30)/2<BR>\n" );
document.write( "300=2L-30<BR>\n" );
document.write( "300+30=2L-30+30<BR>\n" );
document.write( "330=2L<BR>\n" );
document.write( "330/2=2L/2<BR>\n" );
document.write( "165=L<BR>\n" );
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document.write( "Since the Width = Length -30, <BR>\n" );
document.write( "Than, Width = 165-30=135<BR>\n" );
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document.write( "Check by plugging-in all of the values back into the original formula:<BR>\n" );
document.write( "P=2(L+w)<BR>\n" );
document.write( "600=2(165+135)<BR>\n" );
document.write( "600=2(300)<BR>\n" );
document.write( "600=600 [checks out]<BR>\n" );
document.write( ".<BR>\n" );
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document.write( "2. Solve and write in interval notation for the solution set<BR>\n" );
document.write( "-5 <_ 2x + 1 < 7[isolate the x variable]<BR>\n" );
document.write( "-5-1 <_ 2x + 1-1 < 7-1<BR>\n" );
document.write( "-6 <_ 2x  < 6<BR>\n" );
document.write( "-6/2 <_ 2x/2  < 6/2<BR>\n" );
document.write( "-3 <_ x  < 3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "[-3, 3)\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );