SOLUTION: If y varies directly with x and y = 36 when x = 6, find the constant of variation k.

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Question 120554: If y varies directly with x and y = 36 when x = 6, find the constant of variation k.
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
When two variables vary directly, it means they vary by a constant
ratio.
That is,
y+=+k+x+
where k is the constant ratio above.
The ratio, k, is found by solving for it :
k+=+y%2Fx
Then, given the two values supplied:
y+=+36, x+=+6%2C
k+=+36%2F6+=+6