Answer: Saul planted 60 flowers altogether.
Explanation:
Given: The number of flowers Saul planted in one garden = 28
The number of flowers Saul planted in another garden = 32
To find the number of flowers Saul planted altogether we need to add the above numbers.
Therefore, the number of flowers Saul planted altogether =

⇒ The number of flowers Saul planted altogether = 60
Hence, Saul planted 60 flowers altogether.