Question

Please help solve the missing nubmer

Answer 1

9

Explanation:

the mean is 6 (write on the picture)

so

(7 + 3 + 5 + x) : 4 = 6

(15 + x) : 4 = 6

15 + x = 24

x = 24 - 15

x = 9

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check

(7 + 3 + 5 + 9) : 4 = 6

24 : 4 = 6

6 = 6

the answer is good