Question 545540: If 9 and x have the same average as 3,7, and 14 what is the value of x?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! If 9 and x have the same average as 3,7, and 14 what is the value of x?
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Average of 9 and x: (9+x)/2
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Average of 3,7,14: (3+7+14)/3 = 8
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Solve (9+x)/2 = 8
9+x = 16
x = 7
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Cheers,
Stan H.
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