Concept explainers
To determine the speed of boat in still water
Answer to Problem 3CYP
The speed of boat in still water is 3.33 miles per hour.
Explanation of Solution
Given:
A canoeist moves 4 miles downstream in 1 hour and moves 4 miles upstream in 1.5 hour.
Formula used:
Calculation:
Let,
The speed of boat in still water be x miles per hour
The speed of stream of water is y miles per hour.
Hence,
The speed of boat upstream will be
The speed of boat downstream will be
A canoeist moves 4miles downstream in 1 hour, which means,
And, q canoeist moves 4 miles upstream in 1.5 hour, which means,
Let the equation,
Now, add equation (i) and equation (ii),
Conclusion:
Therefore, the speed of boat in still water is 3.33 miles per hour.
Chapter 6 Solutions
Algebra 1
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