2024 AMC 8 Problem 10
Attempt Problem 10 of the 2024 AMC 8 below, then check your answer against the video solution and professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2024 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
10.
In January the Mauna Loa Observatory recorded carbon dioxide CO levels of ppm (parts per million). Over the years the average CO reading has increased by about ppm each year. What is the expected CO level in ppm in January Round your answer to the nearest integer.
Answer: B
Small hint:
There are years from January to January
Big hint:
Estimate , then add the level
Video solution:
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Written solution:
There are years between and , so we can expect the CO reading to increase by ppm by . Since the CO reading in was ppm, then we will have ppm by .
Thus, B is the correct answer.
Problem 10 in other years
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