# Floor Tiling

**Discrete Mathematics**Level 1

I was tiling my bathroom floor with hexagon tiles.

I started with 1 yellow tile in the center,

which was surrounded by 6 blue tiles.

which was surrounded by 12 red tiles.

I started with 1 yellow tile in the center,

which was surrounded by 6 blue tiles.

which was surrounded by 12 red tiles.

If I wanted to use green tiles to surround the red tiles, how many tiles would I need?

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