The sign below shows how much a cafe
charges for each size of coffee that it sells.
a) Which size is the best value for money?
b) The ingredients cost the cafe 13p per
100 ml of coffee. Based on this cost, what
percentage of the price of a small coffee is
profit?
Give your answer to 3 s.f.
c) Despite the large coffee being twice the
size of the small coffee, the difference in
price is only 60p. Why do you think this
might be the case?
Write a sentence to explain your answer.
Volume
Price
Small
250 ml
£2.40
Medium
330 ml
£2.70
Large
500 ml
£3.00