i belive 60% becuse it lands on heads 60 time out of a hudred
23) 17/30
41) 3/10 because 3/10 + 7/10 = 10/10 or 1.
20,000 will be the population 40 years from now.
The difference starts off by 7. Then it continues to double. Then the answer is 14, 28, 42. The answer doubles every time.
