Question 1150240
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James will spend  {{{5/10}}} = {{{1/2}}} of an hour = 30 minutes to finish.


Ben will spend  {{{5/12}}}  of an hour to finish.


    {{{5/12}}} of an hour is  5*5 minutes = 25 minutes.


But since Ben have started five minutes after James, they both will finish SIMULTANEOUSLY.


I do not know who wins, since the formal rules of the competition are not presented in the post.


What I know is that they both will finish SIMULTANEOUSLY.
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Solved, &nbsp;answered and explained. &nbsp;&nbsp;And completed.