A website is offering a promotion, during which customers can buy up to 100 photos for a flat fee. The cost per photo varies inversely with the number of photos a customer buys, as shown in the table below. What function models the data?

Question

Number of photos (n)

20

40

50

80

Cost per photo in cents (c)

5

2.5

2

1.25

(1 point)
Responses

nc = 25
nc = 25

nc = 50
nc = 50

nc = 100
nc = 100

nc = 400

Answer 1

The function that models the data is:

c = 50/n