The mean (average) of 5 consecutive integers is 9. The smallest of these 5 integers is
Question
The mean (average) of 5 consecutive integers is 9. The smallest of these 5 integers is
Solution
The mean (average) of 5 consecutive integers is 9. This means that the sum of these 5 integers is 5*9 = 45.
Consecutive integers increase by 1 for each step. So, if the mean is 9, the middle number of these 5 consecutive integers is also 9.
The five numbers are therefore 7, 8, 9, 10, and 11.
So, the smallest of these 5 integers is 7.
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