Question: A brick staircase has a total of 30 steps. The bottom step requires 100 bricks. Each successive step requires two less bricks than the prior

A brick staircase has a total of 30 steps. The bottom step requires 100 bricks. Each successive step requires two less bricks than the prior step. 

(a) How many bricks are required for the top step? 

(b) How many bricks are required to build the staircase?

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