Question

Thirty is 12% of what number?

Answer 1

First, calculate what 1% will be. (1/12 th of thirty.
Then, multiply with 100 to get the original amount (number).

Answer 2

dont get it

Answer 3

If 30 is 12 % of an unknown quantity, then 15 would be 6 %. Right?

Answer 4

But you don't want to know what 12% or 6% of that quantity is, you want to know the quantity itself, or 100% of it.
That is why you need to figure out what 1% is.
Once you have that, finding 100% is easy: just multiply with 100.