SOLUTION: the average of 20 numbers is 30, and the average of 30 other numbers is 20. what is the average of all 50 numbers?

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Question 829316: the average of 20 numbers is 30, and the average of 30 other numbers is 20. what is the average of all 50 numbers?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
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(30*20 + 20*30)/50 = 24
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