The maximum number of packs Jess can buy is 3 packs.
Answer:
.
Step-by-step explanation:
7 months
I graphed it
a = 0.
2(a - 4) = 2a - 8 + 4a
2a - 8 = 2a - 8 + 4a
2a - 2a - 4a = -8 + 8
-4a = 0
