I am in 7th grade math

label Mathematics
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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.

Jan 16th, 2015

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


Jan 16th, 2015

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Jan 16th, 2015
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Jan 16th, 2015
Jun 22nd, 2017
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