11/2 / 3 = 11/6 pounds per friend
divide 11/2 pounds by 3 in order to get answer
63 = 9k
divide by 9 on each side to get k by itself
k = 7
A. 6
The circumference can be found just by multiplying the diameter by pi.
So all you need to do is 18.84/3.14 which is 6.
Well, to get this, you would have to multiply 7.8 by 2 or add 7.8 to 7.8, the reason you would have to do this is because the midpoint is 1/2 of the line. So 7.8+7.8=15.6.
15.6 (D) is your answer.
Hope this helped!
