Question

reena can row downstream 30 km in 3 hours and 8 km in 4 hours her speed in still water is ​....pls answer quickly

Answer 1

Answer:

downstream

x + y = 30/3 = 10

Upstream

x - y = 8/4 =2

Add both the equation

2x = 12

x = 12/2 = 6 km/hr

And

y = 10 - 6 = 4 km/hr