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Junior Regional Olympiad - FBH 2017 Grade 7 Problem 4

Source:

September 20, 2018
equation

Problem Statement

Group of 2727 climbers shared among themself 1313 breads. Every man had 22 breads, every woman half of a bread, and every child 13\frac{1}{3} of a bread. How many men, women and children where there ?