A set of 10 positive numbers is combined with another set of 12 positive numbers. If the mean of the first set is 16, what is the third smallest possible mean of the second set so that the average of the combined set is an integer?
- alexLv 74 weeks ago
Is the mean of the 2nd set an integer ?
x = mean of the 2nd set
6x=11k-80 , with k = 8 ,9,10,...