Answer:
I beleive the answer is 30.
Explanation:
We have 50 students. 50 is the half of 100 because 50x2=100
40% is equal to 40/100
So, 40/100 is equal to 20/50 because 100/2=50 and 40/2=20
20/50 (which is equal to 40/100 or 40%) says that 20 men
And if we do the subtraction, it’s 50–20=30are in the class