How to solve: finding gender pay gap from men's average pay and formula

[Yamin]

Hi guys I have this mathematic question on how calculate GPG but I don’t seem to understand the formula can anyone explain please below attached photo of question.
Also another one would be how to valuable standard drink with how I’m doing it according the questions below should be 13.5x150=2025 divided by 100= 20.25but still wrong

 

[stapel]

Hi guys I have this mathematic question on how calculate GPG but I don’t seem to understand the formula can anyone explain please below attached photo of question.

They gave you a formula and a number to plug into that formula. Where are you getting stuck? Please show all of your work so far.

Also another one would be how to valuable standard drink with how I’m doing it according the questions below should be 13.5x150=2025 divided by 100= 20.25but still wrong

1) Please post only one exercise per thread.

2) Please respect the "Read Before Posting" message.

3) They gave you a formula with two inputs, and gave you values for the two inputs. Where are you getting stuck? Please be complete.