Given:
Number of tomatoes Sheldon picks = kg
Rotten tomatoes = 1.5 kg
To find:
How many kilograms of tomatoes were not rotten?
Solution:
Number of tomatoes Sheldon picks = kg
= kg
= kg
= kg
= kg
Rotten tomatoes = 1.5 kg
Remaining tomatoes which are not rotten is
Required tomatoes = Tomatoes Sheldon picks - Rotten tomatoes
=
= kg
Therefore, the tomatoes which were not rotten is 2.9 kg.