MathDB

The captain distributed

4000

gold coins among

40

pirates. A group of

5

pirates is called poor if those

5

pirates received, together,

500

coins or less. The captain made the distribution so that there were the minimum possible number of poor groups of

5

pirates. Determine how many poor

5

pirate groups there are.
Clarification: Two groups of

5

pirates are considered different if there is at least one pirate in one of them who is not in the other.

5