Archie ordered a bouquet of roses for his girlfriend for her birthday. Each rose cost $2.95, and the delivery fee was $8.50. If his total cost was $61.60 without tax, how may roses did her order? Which equation is the best to determine the number of roses?

Group of answer choices

2.95r + 8.50 = 61.60

8.50 - 2.95r + r = 61.60

8.50r + 2.95r = 61.60

2.95 + 8.50 + r = 61.60