The average (arithmetic mean) of 27, 32, and 64 is 6 less than the average of 29, 42, and x. What is x?
Answers:
A) 62
B) 64
C) 66
D) 68
E) 70
The average of 27, 32, and 64 is 41.   The average of 29, 42 and x is 47.   Then 29 + 42 + x = 141.   x = 70.   The answer is 70.
<result>E</result>
The average (arithmetic mean) of 27, 32, and 64 is 6 less than the average of 29, 42, and x. What is x?