Question

The political opinion organization hired 100 new employees, which increases its staff by 40%. What was the original number of employees?

Answer 1

40% = 0.4
100 = 0.4x
250 employees

Check:
250 x 0.4 = 100

Answer 2

40(?)

I don't remember exactly if that's correct, but I hope it's right! Comment if you want the explanation