MathDB
Junior Regional Olympiad - FBH 2018 Grade 6 Problem 1

Source:

September 18, 2018
buyingsplitting moneyequation

Problem Statement

Four buddies bought a ball. First one paid half of the ball price. Second one gave one third of money that other three gave. Third one paid a quarter of sum paid by other three. Fourth paid 5$5\$. How much did the ball cost?