SOLUTION: the mean of 4 number is 25. if each number is decreased by 10 ,what is the mean of the number decreased
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Question 1159123: the mean of 4 number is 25. if each number is decreased by 10 ,what is the mean of the number decreased
Answer by Amily_2190(27) (Show Source): You can put this solution on YOUR website!
The mean of 4 numbers is 25, so their total must be 100.....
Each number is decreased by 10 and there are four numbers, so they decrease by 40 in total.....
The mean of the numbers that were decreased is 15.
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