Question

1
The diagram shows the pattern of black and blue tiles arranged on a floor.
How many blue tiles are needed to surround (i) 2 black tiles, (ii) 4 black tiles
and (iii) 20 black tiles? (iv) If a black tile is denoted by w and a blue tile bys,
write an expression relating the two, with a minimum of 1 black tile.
2​

Answer 1

Answer:

Where is the diagram?

please attach the picture of the diagram with the question.

Answer 2

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