Answer:
-20
Step-by-step explanation:
Since we already know that the older child is a girl (a 100% chance to be a girl), there must be a 50% chance that the other child is a girl. Therefore, the probability that both children are girls is 50%.
Hope this helps!
The answer is 112.09 i added 89+3+3+8+2=105+7.09=112.09
