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A and B in turns, throw a dice. If A gets a sum of 8 before

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A and B in turns, throw a dice. If A gets a sum of 8 before B gets a sum of 9, then A wins. But if B gets a sum on 9 before A gets a sum of 8, then B wins. Find the chances of winning of A.

A. 31/36
B. 31/76
C. 5/36
D. 45/76
E. 1/9

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