if u do this you are a life saver

Answer:
1. 1/2
2. 1/4
3. 1/3
4. 1/12
Step-by-step explanation:
Each grid has a total amount of 36 squares. Count the grey squares and use that as a ratio to the squares in total. Simplify your ratios, and there you have it. I saved la life bruda 8)