Difference between revisions of "2011 AMC 12A Problems/Problem 5"

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== Problem ==
 
== Problem ==
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Last summer <math>30%</math> of the birds living on Town Lake were geese, <math>25%</math> were swans, <math>10%</math> were herons, and <math>35%</math> were ducks. What percent of the birds that were not swans were geese?
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<math>
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\textbf{(A)}\ 20 \qquad
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\textbf{(B)}\ 30 \qquad
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\textbf{(C)}\ 40 \qquad
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\textbf{(D)}\ 50 \qquad
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\textbf{(E)}\ 60</math>
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== Solution ==
 
== Solution ==
 
== See also ==
 
== See also ==
 
{{AMC12 box|year=2011|num-b=4|num-a=6|ab=A}}
 
{{AMC12 box|year=2011|num-b=4|num-a=6|ab=A}}

Revision as of 01:31, 10 February 2011

Problem

Last summer $30%$ (Error compiling LaTeX. Unknown error_msg) of the birds living on Town Lake were geese, $25%$ (Error compiling LaTeX. Unknown error_msg) were swans, $10%$ (Error compiling LaTeX. Unknown error_msg) were herons, and $35%$ (Error compiling LaTeX. Unknown error_msg) were ducks. What percent of the birds that were not swans were geese?

$\textbf{(A)}\ 20 \qquad \textbf{(B)}\ 30 \qquad \textbf{(C)}\ 40 \qquad \textbf{(D)}\ 50 \qquad \textbf{(E)}\ 60$

Solution

See also

2011 AMC 12A (ProblemsAnswer KeyResources)
Preceded by
Problem 4
Followed by
Problem 6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AMC 12 Problems and Solutions