The cost(C) in $ of catering per head in a restaurant with the number (N) of people present is given by C = a + b
N If the cost per head for 10 people is $14 and the cost per head for 20 people is $12, find (to the nearest 10c) the cost per head for 50 people

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2