When rolling two fair, eight-sided dice, each with faces numbered 1 through 8, what is the probability that two numbers rolled have a sum of 9? Express the answer as a common fraction.
Possibilities of combination equaling 9 are
1+8 and 8+1
2+7 and 7+2
3+6 and 6+3
4+5 and 5+4
5+3 and 3+ 5
That 10 out of possible 8x8 combinations, so it would 10/64 or 5/32
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