Question

Write an expression for the total number of teachers and aides and evaluate for 240 students there are 9 aides in a school for 24 students

Plz show work

Answer 1

8a=3s, 90 aids

Explanation:

9:24 (ratio), 3:8 (simplified)

8a=3s (cross multiplication)

8a=3(240) (substitution)

a=90