Question 5
Consider this process. Step 1: draw a square, divide it into four equal parts as shown, and paint one part red. Step 2: repeat step 1 on the red part and paint the chosen part yellow. Step 3: repeat step 1 on the yellow part and paint the chosen part green. Step 4: repeat step 1 on the green part and paint the chosen part blue. What fraction of the whole square is blue?
