A grocery store sells 10 different types of sodas sold in six-packs with at least 200 of each type in the store. In a hurry you grab 20 six-packs from the refrigerator without paying attention to the...

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Extracted text: A grocery store sells 10 different types of sodas sold in six-packs with at least 200 of each type in the store. In a hurry you grab 20 six-packs from the refrigerator without paying attention to the type. How many different combinations of 20 six-packs can be purchased?