Henry's scores for 4 games are shown in the table. Find this average score.
Games | 1st | 2nd | 3rd | 4th |
Scores | 0 | 13 | 18 | 7 |
Games | 1st | 2nd | 3rd | 4th |
Scores | 0 | 13 | 18 | 7 |
Games | 1st | 2nd | 3rd | 4th |
Scores | 0 | 13 | 18 | 7 |
Games | 1st | 2nd | 3rd | 4th |
Scores | 0 | 13 | 18 | 7 |
Games | 1st | 2nd | 3rd | 4th |
Scores | 0 | 13 | 18 | 7 |