Question
In a basketball court, 17 of the pupils wore ties. After 40 pupils who wore ties entered the basketball court, the percentage of pupils who wore ties increased to 60%. How many pupils in the basketball court did not wear ties?
2 m

Click button first when a symbol is required. X

In a basketball court, 17 of the pupils wore ties. After 40 pupils who wore ties entered the basketball court, the percentage of pupils who wore ties increased to 60%. How many pupils in the basketball court did not wear ties?