Got your answer.
I drew it out on a digital drawing software I have.
Answer:
A. because its a short sentence but also asking people who read the story if they relate which means they are gonna want to know what the book is about if they babysat before
Step-by-step explanation:
900/18=50
On average, 50 students rode each bus
Hope this helps!
The 40
Is better . It’s like your paying 1 for it and the other one maybe like 1.50 or so