document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180444>Question 180444</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average of five numbers is 18. Four of the five numbers are 21,22,19,8. What is the other number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135228 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=135228\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (21+22+19+8+x)/5=18<BR>\n" );
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document.write( "remember the avg is found by adding the terms together and then dividing by the number of terms. x is one of those values that has to be added to the rest to find the average which in our case we know to be 18<BR>\n" );
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document.write( "70+x=90......added terms and multiplied both sides by 5<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=20%29 ALIGN=MIDDLE  ALT=\"highlight%28x=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >....subtracted 70 from both sides </SPAN>\n" );
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