11.   His knowledge of mathematics proved inadequate to find a solution.

12.   I was very discouraged at the time, but I still hoped we could find a solution.

13.   It is easy enough to point out what is wrong with Hong Kong environmentally but far from easy to find solutions.

14.   Its credibility has been severely damaged and its attempts to find a solution to the problem have resulted in abject failure.

15.   Nevertheless, the rewards of finding satisfactory solutions are high enough for experimental work to be continued.

16.   The Occupational Therapist is there to try and help you find a solution to your problem.

17.   We can help you find a solution to all your financial problems.

18.   We have signed a letter of intent and we are trying to find a solution to that.

19.   We will not rest until a satisfactory solution is found.