document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972175>Question 972175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average of the first 3 numbers was 80. The average of the next 9 numbers was 40. What was the overall average of the numbers? </SPAN>\n" );
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document.write( "The average of the first three numbers is 80, so the total sum of the numbers is (3 x 80) 240.<BR>\n" );
document.write( "For the next 9 numbers, the sum would be (9 x 40) 360.<BR>\n" );
document.write( "The sum of the 12 (9+3) numbers would be (240+360) 600.<BR>\n" );
document.write( "The average of 12 numbers whose sum is 600 is (600/12) 50.<BR>\n" );
document.write( "ANSWER: The overall average of the numbers is 50. </SPAN>\n" );
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