New York City has 10 trash districts and is trying to determine which of the districts should be a site for dumping trash. It costs $1,000 to haul one ton of trash one mile. The location of each district, the number of tons of trash produced per year by the district, the annual fixed cost (in millions of dollars) of running a dumping site, and the variable cost (per ton) of processing a ton of trash at a site are shown in Table 112. For example, district 3 is located at coordinates (10,8). District 3 produces 555 tons of trash a year, and it costs $1million per year in fixed costs to
New York City has 10 trash districts and is trying to determine which of the districts should be a site for dumping trash. It costs $1,000 to haul one ton of trash one mile. The location of each district, the number of tons of trash produced per year by the district, the annual fixed cost (in millions of dollars) of running a dumping site, and the variable cost (per ton) of processing a ton of trash at a site are shown in Table 112. For example, district 3 is located at coordinates (10,8). District 3 produces 555 tons of trash a year, and it costs $1million per year in fixed costs to operate a dump site in district 3. Each ton of trash processed at site 3 incurs $51in variable costs. Each dump site can handle at most 1,500tons of trash. Each district must send all its trash to a single site. Determine how to locate the dump sites in order to minimize total cost per year.
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