a billion
The average class size at York's Keele Campus is 57 students.
57-65 lbs i got a normal size cousin that age :]
the answer of the average of 42, 57, and 63 is 54.
A single large chicken egg has a mass of about 57 grams on average with its shell on. By contrast, a jumbo graded chicken egg has a mass of 71 grams.
The average weight for a 12 year old girl is 120 pounds.
Average = (N1 + N2)/2 In this case, 57+82 = 139, and 139/2=69.5
(57% + 73%) / 2 = 65%
57. i am shere!
The average is 66.75
57
55-57
Is 117 over 70 average for 57 year old female