Determine the constant of variation for the direct variation given.

r varies directly with s. when s is 16, r is 80.

1/5
5
16

B. 5

Step-by-step explanation:

We have been given that R varies directly with S. When S is 16, R is 80. We are asked to find constant of variation.

We know that two directly proportional quantities are in form , where,

k = Constant of variation.

Upon substituting our given values, we will get:

Therefore, the constant of variation is 5 and option B is the correct choice.

i got 10.28 but that rounds up to 10.3