SOLUTION: Emily rows 6 miles down stream in 1 hour and her friend Ashley,rowing 1 mile per hour faster, completes the return trip in 2 hours. Find the speed of the current (c)andeach girl

Algebra ->  Expressions-with-variables -> SOLUTION: Emily rows 6 miles down stream in 1 hour and her friend Ashley,rowing 1 mile per hour faster, completes the return trip in 2 hours. Find the speed of the current (c)andeach girl      Log On


   



Question 629443: Emily rows 6 miles down stream in 1 hour and her friend Ashley,rowing 1 mile per hour faster, completes the return trip in 2 hours.
Find the speed of the current (c)andeach girl's rowing speed
Show all work please
Thanks

Answer by dfrazzetto(283) About Me  (Show Source):
You can put this solution on YOUR website!
Emily rowing speed = E
Ashley rowing speed = A
speed of the current = C
A = E + 1
d = v*t
6 = (E+C)1
E + C = 6 mph
6 = (A - C)2
3 = (E + 1 - C)
E + C = 6
E - C = 2
2E = 8
E = 4
A = E + 1 = 5
C = 2
Check:
(4+2)(1) = 5
(5-2)(2) = 6