Since each package weighed 4 pounds, the first butcher delivered 10 * 4 = <<10*4=40>>40 pounds

The second butcher's delivery was 7 * 4 = <<7*4=28>>28 pounds

The first two butchers therefore delivered 40 + 28 = <<40+28=68>>68 pounds

Subtracting that weight from the total weight of ground beef gives 100 - 68 = <<100-68=32>>32 pounds

It therefore means the third butcher delivered 32/4 = <<32/4=8>>8 packages.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The owner of a Turkish restaurant wanted to prepare traditional dishes for an upcoming celebration. She ordered ground beef, in four-pound packages, from three different butchers. The following morning, the first butcher delivered 10 packages. A couple of hours later, 7 packages arrived from the second butcher. Finally, the third butcher’s delivery arrived at dusk. If all the ground beef delivered by the three butchers weighed 100 pounds, how many packages did the third butcher deliver?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
8
The owner of a Turkish restaurant wanted to prepare traditional dishes for an upcoming celebration. She ordered ground beef, in four-pound packages, from three different butchers. The following morning, the first butcher delivered 10 packages. A couple of hours later, 7 packages arrived from the second butcher. Finally, the third butcher’s delivery arrived at dusk. If all the ground beef delivered by the three butchers weighed 100 pounds, how many packages did the third butcher deliver?
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