SOLUTION: Two rainstorms occurred in one week in a certain area. In the first storm 25 ml of rain fell per hour, and in the second storm 20 ml of rain fell per hour. Rain fell that week for

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Two rainstorms occurred in one week in a certain area. In the first storm 25 ml of rain fell per hour, and in the second storm 20 ml of rain fell per hour. Rain fell that week for       Log On


   



Question 259836: Two rainstorms occurred in one week in a certain area. In the first storm 25 ml of rain fell per hour, and in the second storm 20 ml of rain fell per hour. Rain fell that week for a total of 70 hours for a total rainfall of 1550 ml . How long was each storm?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
25x+20y=1550
x+y=70
x=30
y=40