Mathematics, 03.09.2019 21:30, nickonicyetlan

Aflight of stairs gets wider as it descends. the top stair is 15 bricks across, the second stair is 17 bricks across, and the third stair is 19 bricks across. what is the total number of bricks used in all 16 stairs?

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Aflight of stairs gets wider as it descends. the top stair is 15 bricks across, the second stair is...