She used 77 legos because 100 - 23 = <<100-23=77>>77

She made 11 levels because 77 / 7 = <<77/7=11>>11

# Answer

11
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Jade is building a lego tower. She has 100 pieces. Each level has to be 7 pieces wide. If she has 23 pieces left at the end, how many levels is her tower?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
11
Jade is building a lego tower. She has 100 pieces. Each level has to be 7 pieces wide. If she has 23 pieces left at the end, how many levels is her tower?
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