document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154877>Question 154877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An aluminum plate is made according to the following dimensions. The outer radius is 10 inches and the inner radius is 3 inches.<BR>\n" );
document.write( " Use p = 3.14 as an approximate value. (a) How many square inches in area is the aluminum plate? (b) If the cost to construct the plate is $7.50 per square inch, what is the construction cost?\r<BR>\n" );
document.write( "\n" );
document.write( "Can you please explain this to me with an algebraic example? Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114030 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=114030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) get the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area ALIGN=MIDDLE  ALT=\"Area\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the Outer Radius=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R ALIGN=MIDDLE  ALT=\"R\"   DISABLED_style= \"max-width:90%; height:auto;\" > + Inner radius=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r ALIGN=MIDDLE  ALT=\"r\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Remember: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=pi%28R%5E2%29%2Bpi%28r%5E2%29=pi%28R%5E2%2Br%5E2%29 ALIGN=MIDDLE  ALT=\"A=pi%28R%5E2%29%2Bpi%28r%5E2%29=pi%28R%5E2%2Br%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=pi%2810%5E2%2B3%5E2%29=pi%28100%2B9%29 ALIGN=MIDDLE  ALT=\"A=pi%2810%5E2%2B3%5E2%29=pi%28100%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=109pi%28in%5E2%29 ALIGN=MIDDLE  ALT=\"A=109pi%28in%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=342.4336in%5E2 ALIGN=MIDDLE  ALT=\"342.4336in%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Rate=Price%2Farea ALIGN=MIDDLE  ALT=\"Rate=Price%2Farea\"   DISABLED_style= \"max-width:90%; height:auto;\" >*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area ALIGN=MIDDLE  ALT=\"Area\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287.50%2Fcross%28in%5E2%29%29%2A%28342.4336cross%28in%5E2%29%29 ALIGN=MIDDLE  ALT=\"%287.50%2Fcross%28in%5E2%29%29%2A%28342.4336cross%28in%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "$2568.252 ---------------------> cost to make it<BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );