2012 AMC 10A Problem 1
Attempt Problem 1 of the 2012 AMC 10A below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2012 AMC 10A solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
1.
Cagney can frost a cupcake every seconds and Lacey can frost a cupcake every seconds. Working together, how many cupcakes can they frost in minutes?
Answer: D
Small hint:
Convert each frosting rate to cupcakes per minute
Big hint:
Add the two rates, then multiply by minutes
Solution:
Cagney can make cupcakes per minute, and Lacey can make
In minutes, they can make
Thus, D is the correct answer.
Problem 1 in other years
- 2000 AMC 10
- 2001 AMC 10
- 2002 AMC 10A
- 2002 AMC 10B
- 2003 AMC 10A
- 2003 AMC 10B
- 2004 AMC 10A
- 2004 AMC 10B
- 2005 AMC 10A
- 2005 AMC 10B
- 2006 AMC 10A
- 2006 AMC 10B
- 2007 AMC 10A
- 2007 AMC 10B
- 2008 AMC 10A
- 2008 AMC 10B
- 2009 AMC 10A
- 2009 AMC 10B
- 2010 AMC 10A
- 2010 AMC 10B
- 2011 AMC 10A
- 2011 AMC 10B
- 2012 AMC 10B
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- 2021 AMC 10A Spring
- 2021 AMC 10B Spring
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- 2021 AMC 10B Fall
- 2022 AMC 10A
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