Question

There are 20 students at lunch. 1/5 of the students are in the hall. How many students are in the hall

Answer 1

There are 4 students in the hall.

Answer 2

Since there are 20 students at lunch. And it's asking 1/5 of 20 you take 20 and divide it by the second number which in this case is 5, so 20➗5=4