One method of exploitation of an ore mine that contains 1 million metric tons of ore...

One method of exploitation of an ore mine that contains 1 million metric tons of ore will result in a recovery of 70% of the available ore deposit and will cost $25 per ton of material removed. Another method of exploitation will recover 60% and will cost $20 per metric ton of material removed. Subsequent processing of the removed ore recovers 200 kg of metal from each ton of processed ore and cost $50 per metric ton of ore processed. The recovered metal can be sold for $2.0 per kg. Which method for developing the mine is preferred to maximize total profit from the mine?

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Amanda K answered 4 weeks ago

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