Answer:
7B+8N<120
Step-by-step explanation:
The total amount of the bracelets and necklaces is less than $120, so if you add the price of each necklace ($8) and the price of each bracelet ($7), it will be <$120.
Answer:
b.) 4.2
Step-by-step explanation:
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Answer:
Step-by-step explanation:
a. Use the inclusion/exclusion principle.

b. By definition of conditional probability,
