The mean of 75 numbers is 35 if one more number is included and mean became 40 find the new number
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Answer:
The answer is 415
Step-by-step explanation:
numbers 75 mean 35
75 * 35 = 2625 (1)
numbers 76 mean 40
76 * 40 = 3040 (2)
Subtract 1 from 2
you get 415
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