document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=365329>Question 365329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If there are seven test and the average is 89% what will i have to make on the next test to get a total of 90%? and can you tell me how you did it please.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #260520 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=260520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In the first 7 tests his average was 89; hence the sum of his scores on the 7 tests is 623.  Let his score on the 8th test be x.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28623%2Bx%29%2F8+=+90 ALIGN=MIDDLE  ALT=\"%28623%2Bx%29%2F8+=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Hence 623 + x = 720, or x = 97. </SPAN>\n" );
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