Answer: D.

Explanation:
Given : Alice buys some inexpensive bracelets and necklaces as party favors for her jewelry showing.
She pays $8 for each necklace (N) and $7 for each bracelet (B).
Then , the cost of N necklaces = $8N
Cost of B bracelets = $7B
Total money spent = Cost of N necklaces+ Cost of B bracelets
=$(8N+7B)
She spends less than $120.
i.e. $(8N+7B) < $120
Hence, the inequality models this situation :
