120 books increased by 50%
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 = 60120 + 60 = 180Hope this helps! :)
180 books because 50% of 120 is 60 so 120+60=180