Because of the increasingly important role played by coal as a viable alternative energy source, the production of coal has been growing at the rate of

Question

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billion metric tons/year t years from 1970 (which corresponds to ). Had it not been for the energy crisis, the rate of production of coal since 1970 might have been only

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billion metric tons/year t years from 1970.  Determine how much additional coal was produced between 1970 and the end of the century as an alternate energy source. Round your answer to one decimal place.

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A. 121.3 billion metric tons

B. 128.6 billion metric tons

C. 127.0 billion metric tons

D. 118.1 billion metric tons

Answer 1

Answer: A