Respuesta :

k=2/7

Step-by-step explanation:

Constant of proportionality (k) can be found by using k=y/x

Substitute the y value (6) and the x value (21) into the equation.

Simplify: Divide 6 by 21 and come up with the answer k=2/7

Answer:

k=2/7

Step-by-step explanation: