document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=605788>Question 605788</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Laura will compute the mean of 3 numbers and express her answer to 2 decimal places. For which set of numbers will her answer be exact?\r<BR>\n" );
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document.write( "A.\r<BR>\n" );
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document.write( "{12, 31, 42} \r<BR>\n" );
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document.write( "B.\r<BR>\n" );
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document.write( "{15, 30, 40} \r<BR>\n" );
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document.write( "C.\r<BR>\n" );
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document.write( "{17, 31, 45} \r<BR>\n" );
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document.write( "D.\r<BR>\n" );
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document.write( "{18, 36, 50}<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 #381805 by </B><A HREF=/tutors/aboutme.mpl?userid=mathie123><B>mathie123(224)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathie123><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=381805\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For this one, you will have to compute the mean of each set of 3 numbers and see which sets have exactly two decimal places (or none or 1 as we can add a 0 onto it eg. 1=1.00)\r<BR>\n" );
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document.write( "I will do A for you and let you do the others.  <BR>\n" );
document.write( "mean of A=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2B31%2B42%29%2F3 ALIGN=MIDDLE  ALT=\"%2812%2B31%2B42%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28.3333333333333333333 ALIGN=MIDDLE  ALT=\"28.3333333333333333333\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So that one is NOT one of the number sets the work. \r<BR>\n" );
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document.write( "Try the rest out and let me know if you have any problems:) </SPAN>\n" );
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