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if the mean of a &n B is 20. the mean of B&C is 24 and the mean of AB&C is 18. what is the mean of A&C?
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if the mean of a &n B is 20. the mean of B&C is 24 and the mean of AB&C is 18. what is the mean of A&C?

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Answer:

below

Explanation:

that is the procedure above

if the mean of a &n B is 20. the mean of B&C is 24 and the mean of AB&amp-example-1
User Brianz
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