A mine extracts 2 metric tons of coal in an hour. The mine uses ton of the extracted coal every hour to generate electricity for the mine and sells the rest. If t is the number of hours spent mining, which expression represents the amount of ore sold? How much ore can the mine sell after extracting ore for 12 hours?
Question
Answer:
The expression is 2t−1/4t. The amount of ore is 21 metric tons.
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10 months ago
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