SOLUTION: ok here is the question the weight of a can of soup varies jointly with the height and the square of the diameter a can 6 inches high with a diameter of 3 inches weighs 21.6 . w

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Question 327189: ok here is the question the weight of a can of soup varies jointly with the height and the square of the diameter
a can 6 inches high with a diameter of 3 inches weighs 21.6 . what is the weight of a can that is 8 inches high with 2 inch diameter? and how do I figure that out for the question on the test? my email is guthrie.sherrie@yahoo.com
Thanks
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
k is the "fudge factor" (proportionality constant)

w = k * h * d^2 ___ 21.6 = k * 6 * 3^2 ___ 21.6/54 = k

w = (21.6/54) * 8 * 4 = 12.8