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 323 parts per million of carbon dioxide in

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Question 1155768: 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 323 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 394 parts per million. Find the increase in carbon dioxide levels and the percent of increase.
Increase carbon dioxide levels: _____ parts per million
Percent increase: _____ %
Round your answers to the nearest tenth of a percent as needed.
Answer by josgarithmetic(39630) About Me  (Show Source):