Concept explainers
The percentage contribution of both coal mines in the annual total coal production.
Answer to Problem 50R
The percentage contribution of mine N is
Explanation of Solution
Introduction:
The production per year and total production of the coal from both mines is given. The contribution percentage of the each coal mine estimates on the basis of the per year coal production and total coal production.
Consider the table shown below.
Table 1
Coal Mine | Production per year | Total production | Contribution percentage |
N | |||
B |
Conclusion:
Thus, the percentage contribution of mine N is
Chapter 8 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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