# . i have a word problem below

**Question description**

I have 140 blocks to build a pyramid. I am given a model which used 14 blocks to determine the pattern I need to use all 140. The model is 3 layers, the top layer has 1 block, the second layer has 4 blocks and the third layer has 9 blocks.

what pattern is shown in the model that complete a pyramid using all 140 blocks?

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