document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77019>Question 77019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Statistics. Sam must have an average of 70 or more in his summer course to<BR>\n" );
document.write( "obtain a grade of C. His first three test grades were 75, 63, and 68. how do I an inequality representing the score that Sam must get on the last test to get a C grade. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55178 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=55178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sam must have an average of 70 or more in his summer course to<BR>\n" );
document.write( "obtain a grade of C. His first three test grades were 75, 63, and 68. how do I an inequality representing the score that Sam must get on the last test to get a C grade.<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Let the score on the last test be \"x\".<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "[75+63+68+x}/4 = 70<BR>\n" );
document.write( "You divide by 4 to get the average of the 4 test scores.<BR>\n" );
document.write( "[75+63+68+x] = 280<BR>\n" );
document.write( "206+x=280<BR>\n" );
document.write( "x=74<BR>\n" );
document.write( "He needs a score of 74 on the final test to get a C grade.<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );