2003
Mathematics
67ca00ce0c643c71d77dee1f
The result of tossing a fair die 120 times is summarized above. Find the value of x
A.
21
B.
19
C.
22
D.
20
Correct Answer: undefined
Explanation
12 + 20 + x + 21 + x-1 +28 = 120 2x + 80 = 120 2x = 120 - 80 2x = 40 x = 20
12 + 20 + x + 21 + x-1 +28 = 120 2x + 80 = 120 2x = 120 - 80 2x = 40 x = 20THIS WEEK's
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