SOLUTION: Find an equation that describes the following variation y varies directly as z, and y = 46 when z = 460.

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Question 1010217: Find an equation that describes the following variation
y varies directly as z, and y = 46 when z = 460.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since y varies directly as z, we write that as
y = kz
Then we plug our data in to find k...
46 = k(460)
k = 46/460 = 1/10
so that
y = (1/10)z