SOLUTION: The average of 4 numbers is 14. If the average of 3 of these numbers is 12, what is the fourth number?
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Question 1095028: The average of 4 numbers is 14. If the average of 3 of these numbers is 12, what is the fourth number?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
[ average ] = [ sum of numbers ] / [ how many numbers ]
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For 3 of the numbers:
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The 4th number is 20
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