2010 AMC 12B Problems/Problem 1

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

The total number of minutes in here $9$ -hour work day is $9 \times 60 = 540$ . The total amount of time spend in meetings in minutes is $45 + 45 \times 2 = 135$ . The answer is then $\displaystyle \frac{135}{540} = .25$ $\LongRightArrow$ (Error compiling LaTeX. Unknown error_msg) $(C)$

2010 AMC 12B (Problems • Answer Key • Resources)
Preceded by Problem 12	Followed by Problem 14
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2010 AMC 12B Problems/Problem 1

Problem 1

Solution

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