Mindy scored 100 points on the dart board how many darts did she throw and where did hey land?

This question is usually referenced in Archery and known as the Archery Puzzle.

Six arrows: because 17+17+17+17+16+16=100

Original Question:

The young lady who carried off the first prize scored exactly one hundred points. The scores on the target are: 16, 17, 23, 24, 39 and 40. Can you figure out how many arrows she must have used to accomplish the feat?