Question

If the average arithmetic mean of 8, 12, 15,
21, x and 11 is 17 then what is x?​

Answer 1

Answer:

35

Step-by-step explanation:

(8 + 12 + 15 + 21 + x + 11)/ 6 = 17

(67+x)/6 = 17

67+x = 102

x = 102-67

x = 35

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Answer 2

Answer:

35

Step-by-step explanation:

Hope it helps........