Answer:
the students
Step-by-step explanation:
Divide total number of students by number of teachers:
Elmwood: 576 students / 24 teachers = 24 students per teacher.
Savory: 638 students / 29 teachers = 22 students per teacher.
Savory has the lowest students per teacher rate.
Factor w+1 out of 4x(w+1)+5y(w+1).
(w+1)(4x+5y)
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390
500*.22=110
500-110=390