Answer:
The answer is 195 students.
Explanation:
There are 2 solutions for this.
1st solution.
1. Start with the basics, the number of pictures we have altogether, 585.
2. Divide the number 585 by the number of students which is 3 to identify the total number of students that reported the 585 pictures.
3. 585/3 = 195, the total number of students.
2nd solution.
1. Start with the total again, the number of pictures we have altogether, 585.
2. Divide the number 585 by the number of pictures in each group total received pictures which is 9.
3. 585 divided by 9 = 65.
4. Take the number 65 which is the number of groups and multiply it by 3 the number of students in each group which will lead to the answer 195 again.
5. 195 is the number of students in total.
6. Extra: to even re-check your answers, multiply 195 by 3 and u will get 585, because each student did 3 reports.