document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782066>Question 782066</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An instructor has graded 33 exam papers submitted by students in a class of 34 students, and the average so far is 65. (The maximum possible score is 100.)\r<BR>\n" );
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document.write( "A) To raise the class average by 1 point, the score on the last paper has to be what?\r<BR>\n" );
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document.write( "B) To raise the class average by 2 points, the score on the last paper has to be what?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476308 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=476308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An instructor has graded 33 exam papers submitted by students in a class of 34 students, and the average so far is 65. (The maximum possible score is 100.) <BR>\n" );
document.write( "A) To raise the class average by 1 point, the score on the last paper has to be what?<BR>\n" );
document.write( "Sum of scores of the 33 graded papers:: 33*65<BR>\n" );
document.write( "Score on the 34th paper:: x<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "(33*65+x)/34 = 66<BR>\n" );
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document.write( "33*65 + x = 34*66<BR>\n" );
document.write( "x = 99<BR>\n" );
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document.write( "B) To raise the class average by 2 points, the score on the last paper has to be what?<BR>\n" );
document.write( "Equation::<BR>\n" );
document.write( "33*65 + x = 34*67<BR>\n" );
document.write( "x = 133 (which is impossible)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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