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(4 marks) Waste mixture from a mine contains 17% pollutants. In order for the waste to have long term stability when buried, the maximum level of...
4. (4 marks) Waste mixture from a mine contains 17% pollutants. In order for the waste to have long term stability when buried, the maximum level of pollutants must be less than 4%. To achieve this, a mixture of a pollutant level of 1.2% will be added to the waste. The combined mixture will be filled into a diused quarry,which can take a maximum of 1 million tonnes of material.
What is the maximum tonnage of waste mixture that can be disposed of from the mine?
(Marks are awarded for identifying variables, formulating suitable equations, solving the equations, and stating a suitable conclusion. Partial marks will be awarded for a guess and check method.) Remark: industrial waste should not be disposed of on the basis of calculations from this question.
This is a question part of my assignment and is related to the Math130 course. I would love to get assisted in how to start this question and what formula I should be using in getting my answer. A step by step process and how to get the answer would be appreciated.
