Respuesta :

Let the number be x.

36 = 90% of x

36 = (90/100)*x

36 = 0.90x

36/0.9 = x

40 = x

x = 40

36 is 90% of 40.
It's 40. We need to simply divide 36 by 90% i.e. 0.9 and then we'll get the answer.