For this case we have that if "and" varies directly proportional to "x", it follows that:

Where:
k: It is the constant of proportionality.
Then, we look for the value of "k":

So, now we look for the value of "y" when x = 20.

Thus, the value of y is 36
Answer:

Answer:
steepness
Step-by-step explanation:
This makes sense to me. Have a fantastic day!