# Math

A tiling company specializes in multi-colour tile patterns. A small hotel is interested in the patterns below for its square shaped reception area. How many dark coloured tiles will there be if the reception area needs an area of 18 x 18.

1. 👍 1
2. 👎 0
3. 👁 183
1. We can't see your pattern.

1. 👍 0
2. 👎 0
2. Design dark coloured
3x3 4
4x4 8
5x5 12

1. 👍 0
2. 👎 0
3. Design dark coloured
3x3 4
4x4 8
5x5 12

1. 👍 0
2. 👎 0
4. 4 + 8 + 12 = 24 dark tiles

1. 👍 0
2. 👎 0

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