Democritus thought that matter was made of tiny particles of earth, air, fire, and water. that could not be divided.
that could be divided.
that were all round and smooth.

The answer is that could be divided.

Explanation:

see earlier

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.