PHYSICS
posted by Reem .
A girl rows 10 km downstream in 2 h. Her return trip takes 3 h. How fast is the current. in km/

PHYSICS 
Damon
v = her speed
c = current speed
(v+c) * 2 = 10
(vc) * 3 = 10
v + c = 5 = 15/3
v  c = 10/3
subtract
2 c = 5/3
c = 5/6
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