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1 November, 11:49

A mine extracts 2 metric tons of coal in an hour. The mine uses 1/4 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?

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  1. 1 November, 14:22
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    For the first question it would be t/4 and for the second question, the answer is 6 metric tons
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