The pie chart shows the shirts' proportion of sizes sold by a shop in a year. If the total number of shirts sold was 20000, then by how much does the highest selling 2 sizes differ from the least selling 2 sizes?
1
8400
2
8800
3
9600
4
9200
The pie chart shows the shirts' proportion of sizes sold by a shop in a year. If the total number of shirts sold was 20000, then by how much does the highest selling 2 sizes differ from the least selling 2 sizes?