2006 AMC 12A Problem 5
Problem 5 of 25EasierAlgebra
Doug and Dave shared a pizza with equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half of the pizza. The cost of a plain pizza was and there was an additional cost of for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each then paid for what he had eaten. How many more dollars did Dave pay than Doug?
Answer choices
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Solution
Each plain slice costs The anchovy charge is spread over the anchovy slices, adding each, so an anchovy slice costs
Dave ate anchovy slices and plain slice: Doug ate the remaining plain slices: Dave paid more.
Thus, the correct answer is D.