M mathisfun New member Joined Sep 10, 2005 Messages 28 Feb 1, 2006 #1 The mean set of numbers is 20. If one number is increased by 300 the mean is increased to 35. How many numbers are in the set?
The mean set of numbers is 20. If one number is increased by 300 the mean is increased to 35. How many numbers are in the set?
U Unco Senior Member Joined Jul 21, 2005 Messages 1,134 Feb 1, 2006 #2 N = number of numbers in the set S = sum of the numbers prior to one number being increased by 300 Form two equations; solve.
N = number of numbers in the set S = sum of the numbers prior to one number being increased by 300 Form two equations; solve.
