Mammoth Memory

Percentage of a percentage

What is `50%` of `40%`?


You need to reword this slightly and say:


What is `50%` of `40` ?


Now we can work this out.

Guide to work out a percentage of a percentages

Multiply both sides by `x` to get `x` on its own.





Divide both sides by `2` to get `x` on its own




Answer: `x=20%`


More Info