RSS
Shading Pattern
Problem
In the 3x3 grid, 6/9 is shaded and in the 4x4 grid, 10/16 is shaded.
If a 20x20 grid was shaded in the same way, what fraction would be shaded?
Problem ID: 101 (Feb 2003) Difficulty: 1 Star
In the 3x3 grid, 6/9 is shaded and in the 4x4 grid, 10/16 is shaded.
If a 20x20 grid was shaded in the same way, what fraction would be shaded?
Show Solution
Hide Solution