document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039016>Question 1039016</A>: <I><SPAN STYLE=\"word-break: break-all;\"> there are three arithmetic means between a and b in an arithmetic sequence . the average of the arithmetic means is 6 . what is the average of a and b<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #653957 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=653957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the arithmetic sequence be a,x,y,z,b.  The common difference would then be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b-a%29%2F4 ALIGN=MIDDLE  ALT=\"%28b-a%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > (since there are four spaces between the numbers.)<BR>\n" );
document.write( "Hence <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+a%2B%28b-a%29%2F4 ALIGN=MIDDLE  ALT=\"x+=+a%2B%28b-a%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+a%2B+2%2A%28b-a%29%2F4 ALIGN=MIDDLE  ALT=\"y+=+a%2B+2%2A%28b-a%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+a%2B+3%2A%28b-a%29%2F4 ALIGN=MIDDLE  ALT=\"z+=+a%2B+3%2A%28b-a%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6+=+%28x%2By%2Bz%29%2F3+=+%28a%2B%28b-a%29%2F4%2Ba%2B+2%2A%28b-a%29%2F4%2B+a%2B+3%2A%28b-a%29%2F4%29%2F3+=+%283a%2B%283%2F2%29%28b-a%29%29%2F3+=+%28a%2Bb%29%2F2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore the average of a and b is 6. </SPAN>\n" );
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