A fifth high school is added to this pictograph how many desks with be used to depict it's enrollment of 2100 students

Using proportions, it is found that 7 desks would be used to depict it's enrollment of 2100 students.
-------------------
1 desk - 300 students
x desks - 2100 students
Applying cross multiplication:
[tex]300x = 2100[/tex]
[tex]x = \frac{2100}{300}[/tex]
[tex]x = 7[/tex]
Thus, 7 desks will be used.
A similar problem is given at https://brainly.com/question/14136767