Junior Regional Olympiad - FBH 2015 Grade 7 Problem 4
Source:
October 1, 2018
number theory
Problem Statement
On the market one seller is selling watermelons, melons and young corn cobs. Total number of watermelons, melons and corn cobs is . One buyer bought of all watermelons, of all melons and of all corn cobs. Other buyer bought of all watermelons, of all melons and of all corn cobs. How many pieces in total bought second buyer and how many seller had at the beggining of each watermelons, melons and corn cobs?