Question
In a canteen, 18 of the children wore scarves. After 558 children who wore scarves entered the canteen, the percentage of children who wore scarves increased to 90%. How many children in the canteen did not wear scarves?
2 m

Click button first when a symbol is required. X

In a canteen, 18 of the children wore scarves. After 558 children who wore scarves entered the canteen, the percentage of children who wore scarves increased to 90%. How many children in the canteen did not wear scarves?