Question

Y varies directly with x, and 84 when x is 16 what’s is the consta probortionality

Answer 1

5.25

Explanation:

y varies directly with x

y ∝ x

Now, let us introduce the constant of proportionality which is k;

y = kx

If y = 84 and x = 16; what is k;

84 = 16k

k =
`(84)/(16)` = 5.25