document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821439>Question 821439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student score on the first 3 class was 65,78 & 84.what range of the score on the forth test will give the student an average that less than 80 but not less than 70  on the forth test.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494117 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=494117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A student score on the first 3 class was 65,78 & 84.what range of the score on the forth test will give the student an average that is less than 80 but not less than 70 on the forth test. <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "70 < (65+78+84+x)/4 < 80<BR>\n" );
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document.write( "280 < 227+x < 320<BR>\n" );
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document.write( "Ans:: 53 < x < 93<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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