Answer:
second pack
Step-by-step explanation:
1.25÷4= 0.31 so for the first pack 1 pencil cost $0.31
2.50×20%= 0.5 so its ¢50 off. 2.50-0.50= 2. 2÷8= 0.25. so for the second pack 1 pencil costs $0.25 which is lower than the 1st pack.
I hope it wasn't too confusing
y=(-4/5)x+4
4x+5y=20
5y=-4x+20
20
It's D.
There are no repetitions of the x values in the ordered pairs so they are all functions.
