X=X but I can’t know until I see the full problem
The probability is 1/5 you will answer the first question correctly.
The probability is 1/5 you will answer the second question correctly.
The probability you will answer both correctly is (1/5)·(1/5) = 1/25.
29.26 / 14 = 2.09
17/4 is = to 4 1/4 soooooooo
18+18+18+18 = 72 so k=72 if im missing anything just comment