document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=817232>Question 817232</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If I have an average of a 72 and I will take a test that's worth 20%. What grade do I need to get on my test in order for my average to be 80 or above?<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 #491960 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=491960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if the test is worth 20% then the present average is worth 80%<BR>\n" );
document.write( ".80*72+.2x>=80<BR>\n" );
document.write( "57.6 +.2 x>=80<BR>\n" );
document.write( "your 72 average is only worth 57.6 you need to get 20% of the test that is worth 22.4<BR>\n" );
document.write( "You will need to get 112 on the test<BR>\n" );
document.write( "to get 75 you will need 87<BR>\n" );
document.write( "with a grade of 100 on the test you would get a total 77.6 </SPAN>\n" );
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