Answer:
For the Billy question the 5th kid is Billy.
Step-by-step explanation:
Billys mom has 5 kids. 1= Lala 2=Lele 3=Lili 4=Lolo so 5=Billy.
Lala, Lele, Lili, Lolo, and Billy are the names of the 5 children
I'm too lazy to figure out the second and third question, but I did the first at least
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