document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1144568>Question 1144568</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Mario plans to develop a circular race track 0.75mi in circumference on a square plot of land, then what is the minimum number of acres that he needs? (One acre is equal to 43,560ft^2). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #765720 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=765720\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) Convert the circumference of 0.75 miles to feet (1 mile = 5280 feet).<BR>\n" );
document.write( "(2) Divide by 2pi to find the radius.<BR>\n" );
document.write( "(3) The area is pi times the radius squared.<BR>\n" );
document.write( "(4) Convert that area in square feet to acres by dividing by 43560.<br><BR>\n" );
document.write( "You can do those calculations as easily as we can....<br><BR>\n" );
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document.write( "Tutor @ikleyn is right.... I have a bad habit of not reading the whole problem -- I didn't see that the problem was asking for the area of a square plot of land on which the race track could be built.<br><BR>\n" );
document.write( "So, as she says, divide the circumference by pi to get the diameter, which will be the length of a side of the square; then square that to get the area in square feet, and finally convert to acres by dividing by 43560. </SPAN>\n" );
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