document.write( "Question 1129668: The average of a set of n numbers is 23. When -35 is added to the set, the average is 21. How many numbers were in the original set?? \n" ); document.write( "

Algebra.Com's Answer #746230 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If the average of a set of

numbers is 23, then the sum of those

numbers must be

. If you add -35 to that sum and divide by

you get the new average of 21, so:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solve for

\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "John
\n" ); document.write( "

\n" ); document.write( "My calculator said it, I believe it, that settles it
\n" ); document.write( "

\n" ); document.write( "

\n" );