Answer: 60
Explanation:
Given : Chef Morgan’s restaurant has 24 tables.
Fifteen of the tables each have one flower in a vase.
Then, the number flowers on these 15 tables =15 (1)
The number of tables left = 24-15=9
Also, the remaining tables have 5 flowers in each vase.
Then, the number of flowers on the remaining 9 tables =

(2)
Now, from (1) and (2) we have
The total number of flowers = 15+45=60
Hence, there are 60 flowers.