document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97666>Question 97666</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose That you are taking a course that has 4 tests. The first three tests are for 10 points each and the fourth test is for 200 points. to get a B in the course, you must have an average of at least 80 percent on the 4 tests. your scores on the first 3 tests were 76,72,84. what is the minimum score you need on the fourth test to get an B for the course?<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 #71078 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=71078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [(76+72+84)*.1+.7X=80<BR>\n" );
document.write( "[232*.1+.7X]=80<BR>\n" );
document.write( "(23.2+.7X)=80<BR>\n" );
document.write( "23.2+.7X=80<BR>\n" );
document.write( ".7X=80-23.2<BR>\n" );
document.write( ".7X=56.8<BR>\n" );
document.write( "X=56.8/.7<BR>\n" );
document.write( "X=81.14 IS THE PERCENTAGE NEEDED ON THE FINAL TEST TO AVERAGE 80% ON ALL FOUR TESTS. .8114*200=162 IS REQUIRED ON THE FINAL 200 POINT TEST.<BR>\n" );
document.write( "(76+72+84)/3*.1+.7*81.14=80<BR>\n" );
document.write( "23.2+56=80<BR>\n" );
document.write( "80=80<BR>\n" );
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