Respuesta :
Answer:
$42
Step-by-step explanation:
If it is $21 for 7 books, then we just double it for 14 books.
21*2 = 42.
I hope this helps you. :)
Answer:
$42
Step-by-step explanation:
If it is $21 for 7 books, then we just double it for 14 books.
21*2 = 42.
I hope this helps you. :)