Answer:
1.5 or 1 1/2 kilograms were rotten and thrown out
Explanation:
1. Let's review the information given to us to answer the question correctly:
Amount of kilograms of tomatoes Sheldon picked = 5 3/10
Amount of kilograms of tomatoes rotten = 1.5
2. How many kilograms of tomatoes were rotten?
1.5 or 1 1/2 kilograms were rotten and thrown out