The task is to generate the correct answer for a given math problem.

Q: Problem: if each participant of a chess tournament plays exactly one game with each of the remaining participants , then 153 games will be played during the tournament . find the number of participants .

A: 18
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Q: Problem: if z is a multiple of 8778 , what is the remainder when z ^ 2 is divided by 9 ?

A: 0
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Q: Problem: if sharon ' s weekly salary increased by 16 percent , she would earn $ 348 per week . if instead , her weekly salary were to increase by 15 percent , how much would she earn per week ?

A:
$ 345
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