a.) (24 + 12 + 3 ) :(24+12 + 3 + 18 + 3) = 39/60 = 13/20 = 65%
b.)(3+18+3) : 60 = 24/60 = 2/5 = 40%
c.) (18 + 3) : 60 = 21 : 60 = 7/20 = 35%
d.) 0 : 60 = 0 = 0%
e.) 60 :60 = 1 = 100%
f.) (18 + 12) : 60 = 30 : 60 = 1/2 = 50%
g.) Ω = C²₆₀ = 60! : 58! 2! = 59 * 30 = 1770
A = C²₅₇ = 57! : 55! 2! = 28 * 57 = 1596
P(A) = 1596/1770 ≈ 90%
B = C¹₃ * C¹₅₇ = 3! : 2! * 57! : 56! = 57 * 3 = 171
P(B) = 171/1770 ≈ 10%
C= C²₁₅ = 15! : 13! * 2! = 7 * 15 = 105
P(C) = 105/1770 ≈ 6%