document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=936883>Question 936883</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Plese Help me With this question:<BR>\n" );
document.write( "If your average in the first 7 quizzes is 72% and the passing grade is 75%<BR>\n" );
document.write( "what grade should you get in 8th quiz to get a passing average?<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 #570355 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=570355\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if all tests have the same weight, then you would calculate as follows.\r<BR>\n" );
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document.write( "to get an overall average of 75 over 8 tests, then you would have to have a total of 8 * 75 = 600 points.\r<BR>\n" );
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document.write( "this is because 600 / 8 equals an average of 75 per test.\r<BR>\n" );
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document.write( "you already have a total of 504 points because 7 * 72 = 504.\r<BR>\n" );
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document.write( "you would need an additional 96 points in order to get a total of 600 points for the 8 tests.\r<BR>\n" );
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document.write( "that's the mark you will need on the eighth test.\r<BR>\n" );
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document.write( "look at it another way.\r<BR>\n" );
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document.write( "if you had a 75 average on the first 7 tests, then your total score for the first 7 test would have been 7 * 75 = 525.\r<BR>\n" );
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document.write( "since you only had 504, you were short 21 points.\r<BR>\n" );
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document.write( "on the last test, you need to get a 75 plus you have to make up for the shortfall from the first 7 test.\r<BR>\n" );
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document.write( "75 + 21 = 96.\r<BR>\n" );
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document.write( "any way you look at it, you would need a 96 on the last test to get an overall average of 75 on your tests.\r<BR>\n" );
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document.write( "average = total / number of tests.\r<BR>\n" );
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document.write( "total = average * number of tests.<BR>\n" );
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