The variables x and y vary directly. Use the values to find the constant of proportionality, k. Then write an equation that relates x and y. Write any fractions in simplest form.

y=20; x=12

Respuesta :

Answer:

k=1.66666666667

3:5 or y+9-x=17

Step-by-step explanation:

idrk, this SHOULD be the correct answer