Answer:
7
Step-by-step explanation:
Formula
Total Juice boxes(T) = number of packs(n) * amount in each pack(a)
T = n * a
Givens
T = 84
n = ???
a = 12
Solution
T = n * a Substitute givens
84 = 12*n Divide by 12
n = 84 /12
n = 7 Answer number of packs of 12