If the mean of 10, 12, 16, 20, x and 26 is 17, find the value of x
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Answer:
18
Step-by-step explanation:
(10+12+16+20+x+26) ÷ 6 = 17
(84+X) ÷ 6 = 17
84+x = 17 × 6
84+x = 102
x = 102 - 18
x = 18
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