Question

Y is directly related to X, and Yis 81 when X is 27.
The constant of variation is

Answer 1

3

Explanation:

A direct variation is of the form

y = kx

We know x and y so we can find k

81 = k *27

Divide each side by 27

81/27 = 27k/27

3=k

The constant of variation is 3