Answer: The average number of days before the flowers wilt is 5 days .
Step-by-step explanation:
Since we have given that
Total number of flowers used to decorate for a party = 16
Number of days 12 of the flowers types last = 4 days
Number of days 4 of the flowers types last = 6 days
Since there are only 2 types of flowers that were group into.
We need to find the average number of days before the flowers wilt is given by
[tex]=\frac{4+6}{2}\\\\=\frac{10}{2}\\\\=5[/tex]
Hence, the average number of days before the flowers wilt is 5 days .