25% of what nember is 19
You would do 0.25x (x is the unknown total number)=19. It is because of is a multiply sign, so 0.25*x=19. Divide both sides by 0.25 and you get 76 as your answer.
25% OF WHAT = 25% OF X = .25 OF X = .25X.25X = 19X = 19 DIVIDED BY .25X = 19 DIVIDED BY 1/4X = 19 X 4X = 76