document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256023>Question 256023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom has taken 5 of the 8 equally weighted tests in his U.S. History class this semester, and he has an average score of exactly 78.0 points. How many points does he need to earn on the 6th test to bring his average score up to exactly 80.0 points?\r<BR>\n" );
document.write( "\n" );
document.write( "A. 90   B. 88  C. 82   D. 80   E. 79\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188173 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=188173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tom has taken 5 of the 8 equally weighted tests in his U.S. History class this semester, and he has an average score of exactly 78.0 points. How many points does he need to earn on the 6th test to bring his average score up to exactly 80.0 points?<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Let the 6th test score be \"x\".<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "Total points from the 1st 5 tests is 5*78 = 390<BR>\n" );
document.write( "To solve for \"x\":<BR>\n" );
document.write( "(390+x)/6 = 80<BR>\n" );
document.write( "390 + x = 480<BR>\n" );
document.write( "x = 90<BR>\n" );
document.write( "He need a 90 on the 6th test.<BR>\n" );
document.write( "===========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " <BR>\n" );
document.write( "A. 90 B. 88 C. 82 D. 80 E. 79 <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );