148,300 views
21 votes
21 votes
Glen Cove has a population of 7,200, which is decreasing at a

rate of 80 people per year. Locust Valley has a population of
5,000 and is gaining 120 people per year. In how many years
will the populations of Glen Cove and Locust Valley be the same?


Please help!!

Glen Cove has a population of 7,200, which is decreasing at a rate of 80 people per-example-1
User Lea Rosema
by
2.9k points

1 Answer

17 votes
17 votes

Answer:

11 years

Explanation:

7200 - 80x = 5000 + 120x
-5000 + 80x -5000 + 80x
2200 = 200x
11 = x

User Tenclea
by
3.0k points