The following table embodies the details about the students of the different departments' A, B and C in a University for participating in the Blood donation camp.
Participation in Blood Donation Camp - Data
| Department | Percentage of Girls | Percentage of blood donating Girls* | Number of blood donating Boys* |
| A | 25% | 40% | 48 |
| B | 40% | 50% | 75 |
| C | 30% | 70% | 39 |
* out of total blood donors
In case all the girls in the department 'A' donated blood, then the number of boys in the department 'A'who did not participate in the blood donation camp is