Difference between revisions of "2010 AMC 12B Problems"

Revision as of 11:46, 2 April 2010

Problem 1

Makarla attended two meetings during her $9$ -hour work day. The first meeting took $45$ minutes and the second meeting took twice as long. What percent of her work day was spent attending meetings?

$\textbf{(A)}\ 15 \qquad \textbf{(B)}\ 20 \qquad \textbf{(C)}\ 25 \qquad \textbf{(D)}\ 30 \qquad \textbf{(E)}\ 35$

Solution

Problem 2

A big $L$ is formed as shown. What is its area?

$[asy] unitsize(2mm); defaultpen(linewidth(.8pt)); draw((0,0)--(5,0)--(5,2)--(3,2)--(3,8)--(0,8)--cycle); label("8",(0,4),W); label("5",(5/2,0),S); label("2",(5,1),E); label("2",(1,8),N); [/asy]$

$\textbf{(A)}\ 15 \qquad \textbf{(B)}\ 20 \qquad \textbf{(C)}\ 25 \qquad \textbf{(D)}\ 30 \qquad \textbf{(E)}\ 35$

Solution

@@ Line 7: / Line 7: @@
 == Problem 2 ==
+A big <math>L</math> is formed as shown. What is its area?
-Someone is putting them up
+<center><asy>
+unitsize(2mm);
+defaultpen(linewidth(.8pt));
+draw((0,0)--(5,0)--(5,2)--(3,2)--(3,8)--(0,8)--cycle);
+label("8",(0,4),W);
+label("5",(5/2,0),S);
+label("2",(5,1),E);
+label("2",(1,8),N);
+</asy></center>
+<math>\textbf{(A)}\ 15 \qquad \textbf{(B)}\ 20 \qquad \textbf{(C)}\ 25 \qquad \textbf{(D)}\ 30 \qquad \textbf{(E)}\ 35</math>
+[[2010 AMC 12B Problems/Problem 2|Solution]]

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Difference between revisions of "2010 AMC 12B Problems"

Revision as of 11:46, 2 April 2010

Problem 1

Problem 2