Answer:
A. 3 13/20
B.3.8 kg
C.Strawberries
Step-by-step explanation:
In order to solve this we just need to find the amount of strawberries he picked, and if he picked 1 2/5 less in the morning and in the morning he picked 2 1/4, we just add that up to know how much he picked in the afternoon:

So in the afternoon he picked
.
Now he picked 5 3/10 kg of tomatoes but 1.5 were rotten, we just have to withdraw the rotten from the total:

So now we know that he picked
kg of good tomatoes.
If he picked in the afternoon and the morning 5.05 kg of strawberries, he picked more strawberries than tomatoes.