Answer:
1,583
Step-by-step explanation:
4,861 - 3278 = 1,583. All you have to do is subtract each amount of books from both months.
1100 - 0.04x
0.07x + 0.11(10,000 - x)
0.07x - 0.11x +1100
-0.04x + 1100
187.5
12 × 2.5 × 6.25 = 187.5
x + y = 0
Slope 1
b = -2 - (-1)(2)
b = -2 +2
b = 0
y = -x
