3 and 2/5 turns into 17/5
1 and 1/5 turns into 6/5
17+6= 23
23/5 simplifies to 4 and 3/5
-9(2)+4=-16 you do -9 times 2 which is -18 then you subtract that to 4 which you get -16. hope this helps!
Factors of 9:
1x9
3x3
9x1
Did this even help like honestly lol
The percent of the book that the chapter makes up is ten percent