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

User Sea Coast Of Tibet
by
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1 Answer

1 vote

Answer:

The number added was 38.

Explanation:

(16x10+x)/11 = 18

160+x = 198

x = 38

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User JuSchu
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