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MAA AMC
AMC 8
2024 AMC 8 -
10
10
Part of
2024 AMC 8 -
Problems
(1)
climate change
Source: 2024 AMC 8 P10
1/25/2024
In January 1980 the Moana Loa Observation recorded carbon dioxide levels of 338 ppm (parts per million). Over the years the average carbon dioxide reading has increased by about 1.515 ppm each year. What is the expected carbon dioxide level in ppm in January 2030? Round your answer to the nearest integer.
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444
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459
<span class='latex-bold'>(A) </span> 399\qquad<span class='latex-bold'>(B) </span> 414\qquad<span class='latex-bold'>(C) </span> 420\qquad<span class='latex-bold'>(D) </span> 444\qquad<span class='latex-bold'>(E) </span> 459
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459
AMC 8
2024 AMC 8