document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071279>Question 1071279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On Saturday mean amount of money spend by customers at  Cafe was £4.00 .On Sunday, there were only half of many customers on Saturday but average spend was up to £7. What was the average mean amount spend by the customers over these two days? \r<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 #686217 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=686217\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean is total/n<BR>\n" );
document.write( "total=mean*n=4n pounds on Saturday.<BR>\n" );
document.write( "On Sunday, the total =mean*(1/2)n=(7/2) n pounds<BR>\n" );
document.write( "The total for both days was 4n+(7/2)n= 7.5 n<BR>\n" );
document.write( "The number was (3/2)n<BR>\n" );
document.write( "The mean is their quotient, 7.5n/(1.5n), which is 5 pounds.\r<BR>\n" );
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document.write( "Put in some numbers to check.<BR>\n" );
document.write( "Suppose 100 people were there Saturday and the average was 4.  The total was 400.<BR>\n" );
document.write( "On Sunday, 50 people were there and the average was 7.  The total was 350.<BR>\n" );
document.write( "The overall total was 750 and the number of people 150. The average was 5.<BR>\n" );
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