Question

A decorative floor pattern has 1 red square tile surrounded by 12 blue tiles. Write an expression to show how many total red and blue tiles are needed if there are 15 red tiles?

Im confused what the expression would be.

Answer 1

Sorry it was hard to type out but I hope this helps if it is right lol

Answer 2

It's given in the question,

• 1 red square tile is surrounded by 12 blue tiles.

Therefore, 'R' red tiles will be surrounded by the blue tiles = R × 12

                                                                                                  = 12R

Expression used to find the number of blue tiles 'B' will be,

B = 12R

If R = 15,

Number of blue tiles used to surround 15 red tiles = 12 × 15

                                                                                   = 180

Therefore, total number of blue tile = 180.

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