SOLUTION: The combined population of Town 1 and Town 2 was 25,000 in 1990. By 1995 the population of Town 1 had increased by 10% while the population of Town 2 had grown by 9%. If the tota

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> SOLUTION: The combined population of Town 1 and Town 2 was 25,000 in 1990. By 1995 the population of Town 1 had increased by 10% while the population of Town 2 had grown by 9%. If the tota      Log On


   

Question 282930: The combined population of Town 1 and Town 2 was 25,000 in 1990. By 1995 the population of Town 1 had increased by 10% while the population of Town 2 had grown by 9%. If the total population of both towns had increased by 2380 people, what was the population of each town in 1990.

Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = Town 1 population
Let y = Town 2 population

I will set up the equations and you can finish the problem.

x + y = 25,000
0.10x + 0.09y = 2380
We have a syste of linear equations in two variables.
Can you finish this problem now?