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Answer:
k = 3
Step-by-step explanation:
Given that y and x are directly related then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 81 when x = 27
k = =
= 3
Hope this helps! Because when you would fill in the variables 0=0 which which make the expression too that they’d equal the same.
