The answer is 11. 220/20=11 110/10=11 55/5=11 and so on. I hope this helps:)
Answer:
11
Step-by-step explanation:
Since 20/220, and 10/110, 5/55, 1/11.
Answer: 7/9
123
7/1296
Multiply the two probabilities.
7/36 x 1/36 = 7/1296
D