Multiply 9 books by 55% by doing
9 x .55 = 4.95
We can't have 4.95 books, though so it rounds down to 4 because you can't just add another .05.
Answer:
https://newsela.com/read/lib-ushistory-roman-republic/id/27389/
Step-by-step explanation:
Domain: all real numbers
Range: y>-3