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A pizza shop sells two round pizzas which have the same thickness but are different in size.The smaller one has a diameter of 30cm.The larger one has a diameter of 60cm and costs twice the prize of the smaller one.In terms of 'cost effectiveness' or 'value for money' which of the following statement is true ? a)Each pizza is equally good value. b)More information is needed to workout which is better value. c)The larger pizza is better value. d)The smaller pizza is better value. |
| Area of smaller pizza = 3.14 X 15 X 15 = 706.5 cm2 Area of bigger pizza = 3.14 X 30 X 30 = 2826 cm2 So the answer is (c) The larger pizza is better value because you get 4 times the smaller pizza for double the price. |
