Angle m is the answer to this problem but sliding in the right direction and upwards
5x+3y=17
3y=-5x+17
y=-5/3y + 17/3
Graph if it asks.
Just divide 48 by 8 to give 6.
I think you are looking for a percentage but it works be about 266% or 2.66 books per month
7. -8/3
8. 4/35
9. -21/50
10. 35/64
11.-25/54