SOLUTION: The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 322 parts per million of carbon dioxide in

Question 1202729: The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 322 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 388 parts per million. Find the increase in carbon dioxide levels and the percent of increase. Round to the nearest tenth of a percent.

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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(a)  The increase is this difference  (388-322) parts per million.


(b)  The percent of increase is this expression  .


In both cases, to get the value, you may use your calculator.

Solved.

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