X- speed of the ship in still water
a- speed of current
(x+a)- speed with current
(x-a) - speed against current
(x+a)*3=72
(x-a)*4=72
x+a=24
<u>+ x-a=18
</u> 2x =42
x = 21
x+a=24, 21+a=24, a=3
The speed of the ship in still water = 21 km/h,
the speed of the current =3 km/h.
Answer:
ca=14
Step-by-step explanation:
50kph i hope i was very helpful onn this problem
Answer:
teamwork maybe
Step-by-step explanation: