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A customer ordered 391 identical handbags and must choose a shipping plan. The shipper will use any combination of containers of sizes that each hold up to 20 handbags, up to 12 handbags, and up to 5 handbags. The shipping costs for these container sizes are $3, $2, and $1, respectively. At most one of the containers will be shipped holding less than the maximum number of handbags for that container. For the total shipping cost, the cost of using only the containers that hold up to 5 handbags is how much greater than the least possible cost?
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2.5.13 最划算问题
2.5.13 最划算问题
以上解析由 考满分老师提供。
