Answer:

Explanation:
Given: If Sergio has
paintings in his art collection and he and other collectors donate a total of
paintings each of the
will donate the same number of paintings.
To Find: Number of paintings Sergio have left.
Solution:
Number of paintings Sergio initially have

Total number of paintings donated

Total number of Collectors

As each collector donate the same number of painting
Paintings donated by each collector


Therefore Paintings donated by Sergio

Total number of paintings Sergio have left


Hence Sergio have left
Paintings