Respuesta :
I hope this helps you
if 1 one pack hold 9 book
? pack hold 150 books
?.9=1.150
?=150/9
?=50/3
if 1 one pack hold 9 book
? pack hold 150 books
?.9=1.150
?=150/9
?=50/3
It really depend how many children's are altogether.
You need 1 according to the question.