Alyssa and Abigail collected a total of 30 + 43 = <<30+43=73>>73 empty cans as of today.

So, they still need to collect 100 - 73 = <<100-73=27>>27 more empty cans.

# Answer

27
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Alyssa and Abigail need to collect 100 empty cans for their Science project. As of today, Alyssa collected 30 while Abigail collected 43 empty cans. How many more empty cans should they collect?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
27
Alyssa and Abigail need to collect 100 empty cans for their Science project. As of today, Alyssa collected 30 while Abigail collected 43 empty cans. How many more empty cans should they collect?
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