Question:
Imagine you are building a staircase with cubes. To build a
Last updated: 7/19/2022
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Imagine you are building a staircase with cubes. To build a staircase with one step, one cube is needed. To build a staircase with two steps, three cubes are needed. To build a staircase with three steps, six cubes are needed. Continue this pattern and determine how many cubes are needed to build a staircase with 50 steps, 250 steps, and x steps.