dolution

dolution.

There are two pits from which a mix of materials can be obtained, and the plan is to haul

from these two pits and screen the material on the job to extract the Gravel and Rock

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needed. Analysis show that the material at each pit contains the following Rock and

Gravel:

It costs $8/cu yd for the material from pit A and $1/cu yd per mile to haul it to job site.

Pit B material costs $6/cu yd and costs $2/cu yd per mile to haul. Pit A is 12 miles from

the job site and pit B is 16 miles away. Once on the job site, screening costs will be $8

per cu yd. Because of the equipment available, Pit A can supply no more than 45,000

cu yd/day, and Pit B can supply no more than 30,000 cu yd/day. Set this up as a LP

problem to minimize the total cost.

dolution

 
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