A total of 20 x 100 = <<20*100=2000>>2000 grams are sold every week.

Since 1 kilogram is equal to 1000 grams, then 2000/1000 = <<2000/1000=2>>2 kilograms of sugar are sold every week.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A store sells 20 packets of 100 grams of sugar every week. How many kilograms of sugar does it sell every week?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
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A store sells 20 packets of 100 grams of sugar every week. How many kilograms of sugar does it sell every week?
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