Question

the average of three no. is 8 . if two of them are 11 and 7 . what is the 3rd no.​

Answer 1

Answer:

6

Step-by-step explanation:

Let the third number is x,

then average,

$8= \frac{(11 + 7 + x)}{3}$

$18 + x = 24$

$x = 24 - 18$

$x = 6$

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Answer 2

Answer:

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