The table below shows the number of books read by five children in one month.
| Name | Number of books |
|---|
| Akil | ? |
| Dhelal | 17 |
| Hafiz | 15 |
| Ali | 17 |
| Barakah | 16 |
If Akil read 4 books less than
of the total number of books read by the other four children, then how many books did Akil read in a month?