Please help me I will give you extra points and the brain thing.
The scatter plot shows the relationship between the average number of nightly customers and the number of months since a restaurant opened. The equation represents the linear model for this data.

y = 5x + 120

What does the number 5 in the equation mean in this context?

A.The restaurant has been open for 5 months.

B.The average number of customers per night increased by 5 each month.

C.There were 5 customers per night when the restaurant opened.

D.For every 5 months the restaurant has been open, there are 120 more customers per night.

E.There were 5 customers per month after the restaurant was open 120 months.