Ali made 5 circles with 8 boxes each so he used 5*8 = <<5*8=40>>40 boxes

There were 80 boxes to start with so now there are 80-40 = <<80-40=40>>40 boxes left

Ernie used 10 boxes to make one circle so with 40 boxes he can make 40/10 = <<40/10=4>>4 circles

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ali and Ernie lined up boxes to make circles. Ali used 8 boxes to make each of his circles and Ernie used 10 for his. If they had 80 boxes to begin with and Ali makes 5 circles, how many circles can Ernie make?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
Ali and Ernie lined up boxes to make circles. Ali used 8 boxes to make each of his circles and Ernie used 10 for his. If they had 80 boxes to begin with and Ali makes 5 circles, how many circles can Ernie make?
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