How many street lights would be socially optimal

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Say 20 people each have demand Q = 20 – P for street lights and 5 people have the demand Q = 18 – 2P for street lights. The cost of providing a street light is 10. If it is impossible to provide a fractional number of street lights, how many street lights would be socially optimal. Show your calculations in full detail.

Reference no: EM131094703

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