Question

55 is 40 percent of what number

Answer 1

40 percent = 40% = 40/100
Let x be that number:
(40/100)x = 55
x= 55/(40/100)
x=55/0.4
x=137.5

So 55 is 40% of 137.5

Hope this Helps! :)

Answer 2

Let, that number = x

Then, it would be:

x*40/100 = 55

x*40 = 5500

x = 5500/40

x = 137.5