Angela is getting a pedicure at a spa that also offers massages where customers pay by the minute. If Angela only gets a pedicure, it will cost her $50. Write an equation slope y-intercept form where x represents the number of minutes for a massage and y represents Angela's total cost for a pedicure and a massage.

Then, what is the slope of your equation, and what does it represent?
A. The slops is .75, it would cost $.75 per minute to get a massage.
B. The slope is .75; it will take .75 minutes to get a massage.
C. The slope is 20; she will get a 20 minute massage.
D. The slope is 50; it is the cost her 20 minute massage.​