SOLUTION: A total of p peoplw agreed to evenly share the cost, C, of a pizza. When two of the people failed to contribute, the others were forced to evenly share the cost of the pizza. In te

Question 388979: A total of p peoplw agreed to evenly share the cost, C, of a pizza. When two of the people failed to contribute, the others were forced to evenly share the cost of the pizza. In terms of p and C, how much more than originally agreed did those who contribute ultimately pay?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
agreed share ___ C / p

actual share ___ C / (p - 2)

difference ___ [C / (p - 2)] - [C / p]

using common denominator ___ [Cp - (Cp - 2C)] / [p(p - 2)] = 2C / (p^2 - 2p)
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