SOLUTION: Each day a mining company crushes 18,000 Mg of shale-oil rock, some of it 72 L/Mg and the rest 150 L/Mg of oil. How much of each type of rock is needed to produce 120 L/Mg?

Question 1111568: Each day a mining company crushes 18,000 Mg of shale-oil rock, some of it 72 L/Mg and the rest 150 L/Mg of oil. How much of each type of rock is needed to produce 120 L/Mg?
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.
Working for many years with Civil engineers, I never saw and I don't know what is that unit "Mg" to measure the amount of shale-oil rock.

It would be good (and NECESSARY) if it be explained in the post

(although I 197% sure that the person who posted and invented it, does not know it, too).

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