document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963525>Question 963525</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the cost to build a sidewalk 3' wide and 4\" deep around the inside perimeter of a lot 100' x 150', if the price of concrete is $24 a cubic yard?\r<BR>\n" );
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document.write( "please email to lora_dubois@verizon.net \r<BR>\n" );
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document.write( "Thanks!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #589619 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=589619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The outside dimension of the walk is (100'+6') x (150'+6'),<BR>\n" );
document.write( "so the area of walk and lot is (106')(156')=16536ft^2<BR>\n" );
document.write( "The area of the lot is (100')(150')=15000ft^2<BR>\n" );
document.write( "So area of walk=(area of lot+walk)-(area of lot)=16536ft^2-15000ft^2=1536ft^2<BR>\n" );
document.write( "There are 9ft^2 per yd^2:<BR>\n" );
document.write( "(1536ft^2)(1yd^2/9ft^2)=170.67yd^2 <BR>\n" );
document.write( "The area of the walk is 170.67 square yards.<BR>\n" );
document.write( "The depth of the walk is (1/9)yard so the volume is:<BR>\n" );
document.write( "(170.67yds^2)(1/9 yd)=18.96yd^3<BR>\n" );
document.write( "Cost of concrete=(18.96yd^3)($24/yd^3)=$455.04<BR>\n" );
document.write( "ANSWER: The cost of the concrete would be $455.04.<BR>\n" );
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