Answer:
The number is [tex]133\frac{1}{3}[/tex]
Step-by-step explanation:
If something is 30% of a whole it means that if whe divide the whole into 100 and take 30, you will get this number. In order to get the whole we need to divide it my the 40 by [tex]\frac{3}{10}[/tex] and so we get.....
40 ÷ [tex]\frac{3}{10}[/tex] = [tex]133\frac{1}{3}[/tex]