please help with this!! 3) The rate of the current in the Susanna River is 4 km/h. If a canoeist can paddle 5 km downstream inthe same amount of time that she can paddle 1 km upstream, how fast can she paddle in still water?4) An airplane flies 3000 mi in 4 h and takes 5h to make the return trip. What is the plane's speed instill air and what is the speed of the wind?

Name: please help with this!! 3) The rate of the current in the Susanna Rive
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Description: please help with this!! 3) The rate of the current in the Susanna River is 4 km/h. If a canoeist can paddle 5 km downstream inthe same amount of time that she can paddle 1 km upstream, how fast can she paddle in still water?4) An airplane flies 3000

Answered: p with this!!

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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please help with this!!

3) The rate of the current in the Susanna River is 4 km/h. If a canoeist can paddle 5 km downstream in
the same amount of time that she can paddle 1 km upstream, how fast can she paddle in still water?
4) An airplane flies 3000 mi in 4 h and takes 5h to make the return trip. What is the plane's speed in
still air and what is the speed of the wind?

Expert Solution

Step 1

As per the bartleby guidelines for more than one question only one has to be solved. Please upload the other question separately.

Let the speed of boat in still water is $x \frac{k m}{h .}$

The rate of the current is $4 \frac{k m}{h .}$

The current speed against wind is $x - 4 \frac{k m}{h .}$

The current speed with wind is $x + 4 \frac{k m}{h .}$

Similarly the distance against current flow which is upstream is 1 km.

The distance with current flow which is downstream is 5 km.

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