document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=52972>Question 52972</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sam must have an average of 70 or more in his course to obtain a grade of C. His first three test grades were 75,63,68.Write an equality representing the score Sam must get on the last test to get a grade of C. McGraw Hill, Chapter 2.Exercise 7.  Problem number 92. Sorry no isbn. Thanks so much!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35331 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=35331\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (75+63+68+x)/4=70 or (206+x)/4=70 or 280=206+x x=280-206 or x=74 the minimum scor needed on the 4 th test to maintain a 70 average on the 4 tests. \r<BR>\n" );
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document.write( "proof (75+63+68+74)/4=70 or 280/4=70 or 70=70 </SPAN>\n" );
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