1971 AHSME Problems/Problem 10
Problem
Each of a group of girls is blonde or brunette and is blue eyed of brown eyed. If are blue-eyed blondes, are brunettes, and are brown-eyed, then the number of brown-eyed brunettes is
Solution
There are brunettes, so there are blondes. We know there are blue-eyed blondes, so there are brown-eyed blondes.
Next, we know that people are brown-eyed, so there are brown-eyed brunettes.
The answer is
-edited by coolmath34
See Also
1971 AHSC (Problems • Answer Key • Resources) | ||
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Followed by Problem 11 | |
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