SOLUTION: The average(arithmetic mean) of nine numbers is 9. When a tenth number is added the average of the ten numbers is also 9. What is the tenth number ?
a) 9/10 b) 10/9 c) 9
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-> SOLUTION: The average(arithmetic mean) of nine numbers is 9. When a tenth number is added the average of the ten numbers is also 9. What is the tenth number ?
a) 9/10 b) 10/9 c) 9
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Question 260205: The average(arithmetic mean) of nine numbers is 9. When a tenth number is added the average of the ten numbers is also 9. What is the tenth number ?
a) 9/10 b) 10/9 c) 9 d) 10 Answer by edjones(8007) (Show Source):
