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 334 parts per million of carbon dioxide in

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Question 1109840: 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 334 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 382 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 josgarithmetic(39620) About Me  (Show Source):
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334 ppm changed to 382 ppm.

Percent Increase
%28382-334%29%2F334
0.14371

14.4percent