document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005701>Question 1005701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If my total cost of a item is 92.40 inclusive of 9.90 vat how much percent vat is this </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621894 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=621894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = sin x. <BR>\n" );
document.write( "Find the average rate of change of f from x1 = 5&#960;/4 to x2 = 3&#960;/2 <BR>\n" );
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document.write( "Ave rate = [f(3pi/2) - f(5pi/4)]/[(3pi/2)-(5pi/4)]<BR>\n" );
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document.write( "= [sin(3pi/2) - sin(5pi/4)]/[(12pi-10pi)/(8)]<BR>\n" );
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document.write( "= [-1 - -(sqrt(2)/2)] / [pi/4]<BR>\n" );
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document.write( "= [-2+sqrt(2)]/2 / (pi/4)<BR>\n" );
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document.write( "= 2((-2+sqrt(2))/pi<BR>\n" );
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document.write( "= [-4+2sqrt(2)]/pi<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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