$$75\div(1-25\textbackslash\%) = 100$$ g. 
A $$25\textbackslash\%$$ salt solution contains $$75$$ g of water. How many g of solution are there? 
Options:
  - $$100$$ g 
  - $$25.5$$ g 
  - $$25$$ g 
  - $$102$$ g 