Answer :
Nora needs to buy at least 16 sets for the restaurant to have enough forks.
Let s represent the number of sets of forks. There are 12 forks in each set.
Since there are currently 286 forks available, and the restaurant needs at least 478 forks.
The inequality used to represent this scenario is given by:
12s + 286 ≥ 478
12s ≥ 192
s ≥ 16
Nora needs to buy at least 16 sets for the restaurant to have enough forks.
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