A grocery store charges $0.75 per donut. Which equation can be used to find c, the total cost, in dollars, to buy d donuts?(2 points)Responsesc = 0.75 + dc = 0.75 + dc = 0.75dc = 0.75 dd = 0.75 + cd = 0.75 + cd = 0.75c

c = 0.75d