The odds against A solving the problem are 4 to 3 and the odds in favour of B solving the .problem are 7 to 5. Find the probability that the problem will be solved.

The odds against A solving a certain problem are 4 to 3 and the odds in favour of B solving the same problem are 7 to 5. Find the probability that the problem will be solved.

The odds against A solving a problem are 3 to 2 and the odds in favour of B solving the same problem are 5 to 4. Then the probability that the problem will be solved if both of them try the problem is

The odds against A solving a problem are 8 to 6 and the odds in favour of B solving the same problem are 14 to 10. Then the probability that the problem will be solved if both of them try the problem is

The odds against A solving a certain problem are 3 to 2 and the odds in favour of B solving the same are 2 to 1. The probability that the problem will be solved if they both try, is

The odds against John solving a problem are 4 to 3 and the odds in favour of Rafi solving the same problem are 7 to 5. What is the chance that the problem is solved when both of them try it?