Mathematics, 18.11.2019 19:31 gungamer720

For a display, identical cubic boxes are stacked in square layers. each layer consists of cubic boxes arranged in rows that form a square, and each layer has 1 fewer row and 1 fewer box in each remaining row than the layer directly below it. if the bottom of the layer has 81 boxes and the top of the layer has only 1 box, how many boxes are in display?
a. 236
b. 260
c. 269
d. 276
e. 285

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