2004 AMC 10A Problems/Problem 16
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Problem
The 
grid shown contains a collection of squares with sizes from 
to . How many of these squares contain the black center square?
Solution
There are:
of the squares containing the black square,
of the 
squares containing the black square,
of the 
squares containing the black square,
- of the
squares containing the black square,
- of the squares containing the black square.
Thus, the answer is 
.
See also
| 2004 AMC 10A (Problems • Resources) | ||
| Preceded by Problem 15 | Followed by Problem 17 | |
| 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 | ||
