Answer :
The speed of the boat in still water is 3 miles per hour
Given that,
A boat travels 40 miles upstream in 4 hours and 48 miles downstream in 3 hours.
To find : The speed of the boat in still water
We use the distance formula. D = r * t
48/3 = 16 mph | Trip 1 |
40/4= 10mph | Trip 2 |
16-10 = 6 mph difference traveling upstream or downstream. Thus the speed of the current is 3 miles per hour.
Therefore, The speed of the boat in still water is 3 miles per hour.
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