Answer:
The number of books are 189.
Step-by-step explanation:
ratio of note books to the books = 2 : 3
total notebooks = 126
Let the number of books is x.
So, the ratio is
So, the number of books are 189.
15309 Im pretty sure
a7=ar^7
=7(3^7)
7 x 2187=15309
11?