miros7x miros7x

27-04-2021
Mathematics

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the average of three numbers is 15. two of them numbers are 17 and 14 . what is the third number?,

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jayleensalazar jayleensalazar

27-04-2021

Answer:

19

Step-by-step explanation:

Given average of 3 numbers = 17 Total of 3 numbers = 17×3 = 51. Given average of 2 numbers = 16 Total of 2 numbers = 16×2 = 32 Therefore, Third Number = 51–32 = 19

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