SOLUTION: The average height of the eight shorts was 150 centimeters. The average height of the twelve mediums was 170 centimeters, and the average height of the five talls was 200 centimete

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Question 339961: The average height of the eight shorts was 150 centimeters. The average height of the twelve mediums was 170 centimeters, and the average height of the five talls was 200 centimeters. What was the overall average of all 25?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(8*150+12*170+5*200)/25
(1200+2040+1000)/25
4240/25=169.6 ans.