IKMC 2027 - Grades 9-10 - Self-study SET 7 - Thematic Batch 3 Question 24

Ten containers hold syrup solutions: the first has 100 ml at 10%, the second 200 ml at 20%, the third 300 ml at 30%, …, the tenth 1000 ml at 100%. All are poured into one empty vessel. What is the syrup concentration of the mixture?