immanuelpewu immanuelpewu

03-07-2020
Mathematics

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The mean of 10 positive numbers is 16. when another number is added, the mean becomes 18. Find the number added

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03-07-2020

Answer:

The number added was 38.

Step-by-step explanation:

(16x10+x)/11 = 18

160+x = 198

x = 38

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