1. The average of 9 numbers in a list is 6. What is the sum of these 9 numbers?
2. Then the number 26 is added to the list. What is the average of the 10 numbers in the new list?
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Home » Mathematics » 1. The average of 9 numbers in a list is 6. What is the sum of these 9 numbers? 2. Then the number 26 is added to the list. What is the average of the 10 numbers in the new list?