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If n is the average of three numbers x, 12, and 15, what is the value of x?
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3 votes
If n is the average of three numbers x, 12, and 15, what is the value of x?

User Matt Brody
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1 Answer

3 votes
9- because it looks like 12 and 15 were multiplied by 3,
3x5= 15
3x4= 12
3x3= 9
User Abito Prakash
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