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) | ||
| Preceded by Problem 9 |
Followed by Problem 11 | |
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| All AHSME Problems and Solutions | ||
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