SOLUTION: How can I find the constan in this problem thank you for your help . If y varies directly with x, and y = 54 when x = 3, find the constant of variation k

Question 90375: How can I find the constan in this problem thank you for your help
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If y varies directly with x, and y = 54 when x = 3, find the constant of variation k
Answer by malakumar_kos@yahoo.com(315) (Show Source): You can put this solution on YOUR website!

If y varies directly with x, and y = 54 when x = 3, find the constant of variation k
y varies dierctly as x
y = k*x where k is a constant

when y = 54 and x = 3 to find k

From the relation y = kx, k = y/x = 54/3 = 18

The value of k = 18
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