9. -7/12
10. -2.75
11. 1.844
12. 4.539
Answer:
Jamie. by 7/16
Step-by-step explanation:
Halverson completed: 3/16
Jamie completed: 10/16.
To understand who completed more, look at the denominator. The common denominator is 16. Assume a puzzle has 16 pieces and Halverson did 3 out of 16 and Jamie did 10 out of 16. This means Jamie did more.
If you want to know by how much Jamie did more, it would be the difference of both the fraction. This means that 10 done by Jamie minus 3 done by Halverson, which is 7. So 7 out of 16 is the difference.

7 out of 16 can be written as 7/16
Pretty simple equation, where we need to find the number of books. If it is 2$ each day per book
72/9 = 8$ per day is the late fee paid
So if each book is 2$, then we can assume
8/2 = 4 books
So equation is
“# books = (amount paid)/(days * per day payment)”
It would be 40% is an apple at first, the peach would be 66%.