Question
In a hall, 110 of the pupils wore vests. After 208 pupils who wore vests entered the hall, the percentage of pupils who wore vests increased to 75%. How many pupils in the hall did not wear vests?
2 m

Click button first when a symbol is required. X

In a hall, 110 of the pupils wore vests. After 208 pupils who wore vests entered the hall, the percentage of pupils who wore vests increased to 75%. How many pupils in the hall did not wear vests?