Difference between revisions of "2011 AMC 8 Problems/Problem 3"
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Revision as of 21:49, 12 November 2012
Problem
Extend the square pattern of 8 black and 17 white square tiles by attaching a border of black tiles around the square. What is the ratio of black tiles to white tiles in the extended pattern?
Solution
One way of approaching this is drawing the next circle of boxes around the current square. We can now count the number of black and white tiles; 32 black tiles and 17 white tiles. This means the answer is .
See Also
2011 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 2 |
Followed by Problem 4 | |
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 AJHSME/AMC 8 Problems and Solutions |