Difference between revisions of "2008 AMC 10B Problems/Problem 20"
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==Problem== | ==Problem== | ||
| − | + | The faces of a cubical die are marked with the numbers 1, 2, 2, 3, 3, and 4. The faces of another die are marked with the numbers 1, 3, 4, 5, 6, and 8. What is the probability that the sum of the top two numbers will be 5, 7, or 9? | |
| + | (A) 5/18 (B) 7/18 (C) 11/18 (D) 3/4 (E) 8/9 | ||
==Solution== | ==Solution== | ||
Revision as of 14:14, 25 January 2009
Problem
The faces of a cubical die are marked with the numbers 1, 2, 2, 3, 3, and 4. The faces of another die are marked with the numbers 1, 3, 4, 5, 6, and 8. What is the probability that the sum of the top two numbers will be 5, 7, or 9? (A) 5/18 (B) 7/18 (C) 11/18 (D) 3/4 (E) 8/9
Solution
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See also
| 2008 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 19 |
Followed by Problem 21 | |
| 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 10 Problems and Solutions | ||
