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How would I go about doing this question on linear relations?
Here's the question:
A boat took 3 hours to travel 24 km with the current.On the return trip, the boat took 5 hours to travel 24 km against the current. Determine the speed of the current
I know this is a relatively easy question, but I'm just blanking at the moment. Could you please give the steps on how to answer? Thank you so much :)
1 Answer
- JulianLv 68 years agoFavorite Answer
v = speed of the boat in still water
c = speed of the current
v+c = 24/3 = 8
v-c = 24/5 = 4.8
solve the simple system by subtracting to get c
(v+c) - (v-c) = 8-4.8 = 3.2
2c = 3.2
c = 1.6 km/hour ...............answer
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