2023 AMC 8 Problem 3
Attempt Problem 3 of the 2023 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 2023 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
3.
Wind chill is a measure of how cold people feel when exposed to wind outside. A good estimate for wind chill can be found using this calculation:
Here represents the wind chill, represents air temperature measured in degrees Fahrenheit and represents wind speed measured in miles per hour (mph).
Suppose the air temperature is and the wind speed is mph. Which of the following is closest to the approximate wind chill?
Answer: B
Small hint:
Substitute and
Big hint:
is a little more than
Video solution:
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Written solution:
Using the formula, the wind chill is
The closest choice is
Thus, B is the correct answer.
Problem 3 in other years
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