Question

The mean of 8 numbers is 12. Five of the numbers
are 6, 8, 5, 10 and 28. The remaining three numbers
are each equal to k. Find
(i) the sum of the 8 numbers,
(ii) the value of k.​

Answer 1

Answer:

i) 96

ii) 13

Step-by-step explanation:

Mean = 12

(6+8+5+10+28+k+k+k)÷8 = 12

57+3k = 96 (sum of the 8 numbers)

19 + k = 32

k = 13

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