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Difference between revisions of "2012 AMC 8 Problems"

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<math> \textbf{(A)}\hspace{.05in}\frac{1}{24}\qquad\textbf{(B)}\hspace{.05in}\frac{1}{12}\qquad\textbf{(C)}\hspace{.05in}\frac{1}8\qquad\textbf{(D)}\hspace{.05in}\frac{1}6\qquad\textbf{(E)}\hspace{.05in}\frac{1}4 </math>
 
<math> \textbf{(A)}\hspace{.05in}\frac{1}{24}\qquad\textbf{(B)}\hspace{.05in}\frac{1}{12}\qquad\textbf{(C)}\hspace{.05in}\frac{1}8\qquad\textbf{(D)}\hspace{.05in}\frac{1}6\qquad\textbf{(E)}\hspace{.05in}\frac{1}4 </math>
 
* [[2012 AMC 8 Answer Key]]
 
** [[2012 AMC 8 Problems/Problem 1]]
 
** [[2012 AMC 8 Problems/Problem 2]]
 
** [[2012 AMC 8 Problems/Problem 3]]
 
** [[2012 AMC 8 Problems/Problem 4]]
 
** [[2012 AMC 8 Problems/Problem 5]]
 
** [[2012 AMC 8 Problems/Problem 6]]
 
** [[2012 AMC 8 Problems/Problem 7]]
 
** [[2012 AMC 8 Problems/Problem 8]]
 
** [[2012 AMC 8 Problems/Problem 9]]
 
** [[2012 AMC 8 Problems/Problem 10]]
 
** [[2012 AMC 8 Problems/Problem 11]]
 
** [[2012 AMC 8 Problems/Problem 12]]
 
** [[2012 AMC 8 Problems/Problem 13]]
 
** [[2012 AMC 8 Problems/Problem 14]]
 
** [[2012 AMC 8 Problems/Problem 15]]
 
** [[2012 AMC 8 Problems/Problem 16]]
 
** [[2012 AMC 8 Problems/Problem 17]]
 
** [[2012 AMC 8 Problems/Problem 18]]
 
** [[2012 AMC 8 Problems/Problem 19]]
 
** [[2012 AMC 8 Problems/Problem 20]]
 
** [[2012 AMC 8 Problems/Problem 21]]
 
** [[2012 AMC 8 Problems/Problem 22]]
 
** [[2012 AMC 8 Problems/Problem 23]]
 
** [[2012 AMC 8 Problems/Problem 24]]
 
** [[2012 AMC 8 Problems/Problem 25]]
 

Revision as of 13:11, 23 November 2012

Problem 1

Rachelle uses $3$ pounds of meat to make $8$ hamburgers for her family. How many pounds of meat does she need to make $24$ hamburgers for a neighborhood picnic?

$\textbf{(A)}\hspace{.05in}6\qquad\textbf{(B)}\hspace{.05in}6\frac{2}3\qquad\textbf{(C)}\hspace{.05in}7\frac{1}2\qquad\textbf{(D)}\hspace{.05in}8\qquad\textbf{(E)}\hspace{.05in}9$

Problem 2

In the country of East Westmore, statisticians estimate there is a baby born every $8$ hours and a death every day. To the nearest hundred, how many people are added to the population of East Westmore each year?

$\textbf{(A)}\hspace{.05in}600\qquad\textbf{(B)}\hspace{.05in}700\qquad\textbf{(C)}\hspace{.05in}800\qquad\textbf{(D)}\hspace{.05in}900\qquad\textbf{(E)}\hspace{.05in}1000$

Problem 3

On February 13 $\emph{The Oshkosh Northwester}$ listed the length of daylight as 10 hours and 24 minutes, the sunrise was $6:57\textsc{am}$, and the sunset as $8:15\textsc{pm}$. The length of daylight and sunrise were correct, but the sunset was wrong. When did the sun really set?

$\textbf{(A)}\hspace{.05in}5:10\textsc{pm}\quad\textbf{(B)}\hspace{.05in}5:21\textsc{pm}\quad\textbf{(C)}\hspace{.05in}5:41\textsc{pm}\quad\textbf{(D)}\hspace{.05in}5:57\textsc{pm}\quad\textbf{(E)}\hspace{.05in}6:03\textsc{pm}$

Problem 4

Peter's family ordered a 12-slice pizza for dinner. Peter ate one slice and shared another slice equally with his brother Paul. What fraction of the pizza did Peter eat?

$\textbf{(A)}\hspace{.05in}\frac{1}{24}\qquad\textbf{(B)}\hspace{.05in}\frac{1}{12}\qquad\textbf{(C)}\hspace{.05in}\frac{1}8\qquad\textbf{(D)}\hspace{.05in}\frac{1}6\qquad\textbf{(E)}\hspace{.05in}\frac{1}4$