Problema Solution
West Middle School's enrollment has been decreasing at a rate of 75 student per year, whereas East Middle School's enrollment has been increasing at a rate of 60 students per year. West Middle has 3150 students and East Middle has 2475. If the enrollments continue to change at the same rates, in how many years will the two schools have the same number of students?
Answer provided by our tutors
let x = the number of years needed for the two schools to have the same number of students
3150 - 75x = 2475 + 60x
by solving we find
x = 5 years
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in 5 years the two schools will have the same number of students.