Answer:
160 books
Step-by-step explanation:
To find the total amount of something, when given the percent and how much value the percent is, use this
This way we get:
Hope this answer helped! :)
2x - 2y = -8
x + 2y = -1
3x = -9
x = -3
-3 + 2y = -1
2y = 2
y = 1
(-3, 1) is the solution
the y is a horizontal line
cause its is across
the ordered list is x, x+2, x+4, x+6, x+8, x+10
formula is Tn = 2n - 2
-1 7/8