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Mathematics, 21.08.2019 00:30 chaofails

An experiment consists of rolling two fair number cubes. what is the probability that the sum of the two numbers will be 8? express your answer as a fraction in simplest form.
ⓐ- 5/36
ⓑ- 1/9
ⓒ- 36/5
ⓓ- 31/36
i know that the answer is a, they give us the answer but we need to provide work and i don't understand how we get the answer.

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