Question
There are 90 students in a school.
40 of them are females.
How many more males than females are there?
  1. Number of males = _____
  2. Number of males more than females = _____
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

There are 90 students in a school.
40 of them are females.
How many more males than females are there?
  1. Number of males = _____
  2. Number of males more than females = _____