andrew28521 andrew28521

03-07-2019
Mathematics

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Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number? a) 4 b) 6 c) 8 d) 10

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itsnotellie itsnotellie

03-07-2019

Answer:

10

Step-by-step explanation:

First you do 8 × 4, this gives the total of the four numbers.

[tex]8 \times 4 = 32[/tex]

Then, subtract the total of 3 of the numbers from the total of 4 of the numbers.

[tex]32 - 22 = 10[/tex]

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