Answer:
2310789600
Step-by-step explanation:
10 digits + 26 letters = 36
₃₆C₁₃ = 2310789600
Hope this helps, although i am not 100 percent sure its right.
ANSWER: A 15 Pizza
50 x 0.3 = 15
30% = 0.3
78 horses
120 x .65 = 78 horses in all
120 - 78 = 42 more ducks than horses