Rayna is building a tapered staircase using bricks. The bottom stair is 45 bricks wide, and the top stair is 15 bricks ft wide. Each stair is 2
bricks shorter than the one below. What is the total amount of bricks
Rayna needs to build the staircase? Type the total amount of bricks.

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Ответ:

ariannecama

25.08.2022

Mathematics

(Red, 1) (Red, 2) (Red, 3) (Red, 4) (Red, 5) (Red, 6)

(Blue, 1) (Blue, 2) (Blue, 3) (Blue, 4) (Blue, 5) (Blue, 6)

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Rayna is building a tapered staircase using bricks. The bottom stair is 45 bricks wide, and the top stair is 15 bricks ft wide. Each stair is 2 bricks shorter than the one below. What is the total amount of bricks Rayna needs to build the staircase? Type the total amount of bricks.