document.write( "Question 979715: The mean of 12 numbers is 18. If each of the first 6 numbers is increased by 2 and each of the remaining numbers is also increased by 4, obtain the new mean of the 12 numbers. \n" ); document.write( "
Algebra.Com's Answer #601056 by ankor@dixie-net.com(22740)\"\" \"About 
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The mean of 12 numbers is 18.
\n" ); document.write( " If each of the first 6 numbers is increased by 2 and each of the remaining numbers is also increased by 4,
\n" ); document.write( " obtain the new mean of the 12 numbers.
\n" ); document.write( ":
\n" ); document.write( "initially the average can be written
\n" ); document.write( "\"12%2818%29%2F12\" which is 18 obviously
\n" ); document.write( ":
\n" ); document.write( "add 2 to the 1st 6 values of 18 and 4 to last 6 values of 18
\n" ); document.write( "A = \"%28%286%2A20%29+%2B+%286%2A22%29%29%2F12\"
\n" ); document.write( "A = \"%28120+%2B+132%29%2F12\"
\n" ); document.write( "A = 252/12
\n" ); document.write( "A = 21 is the new mean
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