The answer is
4.25.
All you have to do is find the difference (0.5), half it (0.25) and add it to the smallest number.
Answer:
Yeah,its right angled traingle.
Reason:Suppose Root over 50 as hypotenuse and other two sides as base and perpendicular respectively.
By using pythagoras theorem
h^2=p^2+b^2
50=50(which is true)
Therefore it is right angled triangle..This is your required answer.
Im not sure if im correct but I think the answer is 82 hours.
The answer to the question is 193