Respuesta :

amayacbeau
The correct answer is 180 books. 

First, you have to find 50%, or half, of 120. To do this, divide 120 by 2. Then, add the percentage to the original number of books.

120 / 2 = 60
120 + 60 = 180

Hope this helps! :)
braingamer23
180 books because 50% of 120 is 60 so 120+60=180