Given:
Total number of senior students = 600
60% went on the senior trip.
One room was reserved for every 4 students.
To find:
The total number of reserved rooms.
Solution:
60% went on the senior trip from total 600 students. So, number of students who went on tripe is
![600* (60)/(100)=360](https://img.qammunity.org/2021/formulas/mathematics/college/ae1cavwrfmqqapquasvgi5c6gt73c1jdjv.png)
Now, one room was reserved for every 4 students. So,
![\text{Required number of rooms}=\frac{\text{Number of students who went on tripe}}{\text{Number of students in room}}](https://img.qammunity.org/2021/formulas/mathematics/college/pii2s20ew94guu6zaa7a6wem9dib9fyqb6.png)
![\text{Required number of rooms}=(360)/(4)](https://img.qammunity.org/2021/formulas/mathematics/college/ienx4glkuh515on3272xmrj2gu56ujedp9.png)
![\text{Required number of rooms}=90](https://img.qammunity.org/2021/formulas/mathematics/college/rab12v0r6u3r6wha9zxjl2pill7x7s2qxb.png)
Therefore, the required number of reserved rooms were 90.