document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=474818>Question 474818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If w + x = 5(y + z), which of the following is the average (arithmetic mean_ of w, x, y, and z?\r<BR>\n" );
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document.write( "A) (y + z)/5<BR>\n" );
document.write( "B) [3(y + z)]/8<BR>\n" );
document.write( "C) (y + z)/3<BR>\n" );
document.write( "D) [3(y + z)]/2<BR>\n" );
document.write( "E) y + z\r<BR>\n" );
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document.write( "Please explain how I could approach and solve this problem. Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326167 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=326167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D) [3(y + z)]/2\r<BR>\n" );
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document.write( "Since w + x = 5(y+z), then 5(w+x) = 25(y+z).\r<BR>\n" );
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document.write( "==> 5(w+x+y+z) = 5(w+x) + 5(y+z) = 25(y+z) + 5(y+z) = 30(y+z).\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w%2Bx%2By%2Bz%29%2F4+=+%281%2F5%29%2A%28%285%28w%2Bx%2By%2Bz%29%29%2F4%29+=%281%2F20%29%2A5%28w%2Bx%2By%2Bz%29=%281%2F20%29%2A30%28y%2Bz%29+=+%2830%2F20%29%28y%2Bz%29+=+%283%2F2%29%28y%2Bz%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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