MathDB
2 brothers inherited n gold pieces of the total weight 2n

Source: 1975 German Federal - Bundeswettbewerb Mathematik - BWM - Round 2 p4

November 20, 2022
combinatorics

Problem Statement

Two brothers inherited nn gold pieces of the total weight 2n2n. The weights of the pieces are integers, and the heaviest piece is not heavier than all the other pieces together. Show that if nn is even, the brother can divide the inheritance into two parts of equal weight.