Concept explainers
To find how far upstream did the boat travel in 7 h if the total time for the trip, including the stop.
Answer to Problem 9P
The distance travelled is
Explanation of Solution
Formula:
Given that total time is 7 hours including sightseeing for2 hours therefore, the total travel time is 5 hours.
Formula:
Let total time be x
First, to determine the distance of the upstream have speed
Now, determine the distance of the downstream have speed
Thus , the distance travelled in downstream will be equal to upstream.
Now, compare equation ( i ) and equation ( ii )
Hence,
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