Question

countries represented at each festival
how many more festivals had 18 to 23 countries represented than 0 to 5 countries represented?
_____ festivals

Explanation:

Step1: Identify values from graph

Festivals with 18-23 countries: $4$; Festivals with 0-5 countries: $1$

Step2: Calculate the difference

$4 - 1 = 3$

Answer:

3 festivals