There are 18 students in a class, 7 of them are boys. What percentage of the class are girls?
61%
20
Serxho spent 250$ out of 900$. What percentage of the money are left?
72%
20
Of the 500 students in a school, 40% like math, 22% like biology,15% like geography and the rest like sports. What percentage of the students like sports?
33%
15
In the final math exam, 25% of the students got 10. How many students got 10 IF there are 32 students in the class