If two pizzas will be delivered at two of the stops, the total number of stops will be 12-2=<<12-2=10>>10 stops.

If there are 10 stops in 40 minutes, then the delivery person needs to average 40/10=<<40/10=4>>4 minutes per stop.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The pizza delivery person has 12 pizzas to deliver.  If two of the stops are for orders of two pizzas and the rest are for single pizzas, how many minutes per stop does the delivery person need to average to deliver all of the pizzas in 40 minutes?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
The pizza delivery person has 12 pizzas to deliver.  If two of the stops are for orders of two pizzas and the rest are for single pizzas, how many minutes per stop does the delivery person need to average to deliver all of the pizzas in 40 minutes?
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