SOLUTION: The speed of a boat in still water is 10mph . it travels 15 miles upstream and 15 miles downstream in a total time of 4 hours. what is the speed of the current?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: The speed of a boat in still water is 10mph . it travels 15 miles upstream and 15 miles downstream in a total time of 4 hours. what is the speed of the current?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 286194: The speed of a boat in still water is 10mph . it travels 15 miles upstream and 15 miles downstream in a total time of 4 hours. what is the speed of the current?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(10+c)*x=15
(10-c)*y=15
x+y=4
c = 5, x = 1, y = 3