MathDB

1

Part of 2015 Flanders Math Olympiad

Problems(1)

labelling the Pentagon

Source: 2015 Flanders Mathematical Olympiad, Problem 1

4/27/2015
The sides and vertices of a pentagon are labelled with the numbers 11 through 1010 so that the sum of the numbers on every side is the same. What is the smallest possible value of this sum?