document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393788>Question 393788</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The children's park has become very popular since your club built new play equipment. Use the equation f=4sqrt(A) to calculate the amount of fence f you need to buy based on the area A of the playground.<BR>\n" );
document.write( "Suppose you want to increase the fenced play area to four times its current area. If you can reuse the fencing already at the park, how much new fencing do you need to buy? <BR>\n" );
document.write( "Please show me step by step.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279483 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279483\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the equation f=4sqrt(A) to calculate the amount of fence f you need to buy<BR>\n" );
document.write( " based on the area A of the playground.<BR>\n" );
document.write( "Suppose you want to increase the fenced play area to four times its current area.<BR>\n" );
document.write( " If you can reuse the fencing already at the park, how much new fencing do you need to buy? <BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let F = amt of fence you need to buy:<BR>\n" );
document.write( ":<BR>\n" );
document.write( "A = given area of the original playground<BR>\n" );
document.write( "then<BR>\n" );
document.write( "4A = area of new playground<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Fence to buy = New fence length - old fence length<BR>\n" );
document.write( "F = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4sqrt%284A%29+-+4sqrt%28A%29 ALIGN=MIDDLE  ALT=\"4sqrt%284A%29+-+4sqrt%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "extract the square root of 4<BR>\n" );
document.write( "F = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A2sqrt%28A%29+-+4sqrt%28A%29 ALIGN=MIDDLE  ALT=\"4%2A2sqrt%28A%29+-+4sqrt%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "F = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8sqrt%28A%29+-+4sqrt%28A%29 ALIGN=MIDDLE  ALT=\"8sqrt%28A%29+-+4sqrt%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract like terms<BR>\n" );
document.write( "F = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4sqrt%28A%29 ALIGN=MIDDLE  ALT=\"4sqrt%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > amt of fence to be added, (the same amt you have) </SPAN>\n" );
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