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14. The rate of a stream is 4 km/h. Grace paddles downstream a distance of 9 km and then back upstream to where she started. If the total trip took 10 hours, what is Grace's rate of paddling in still water?

14. The rate of a stream is 4 km/h. Grace paddles downstream a distance of 9 km and then back upstream to where she started. If the total trip took 10 hours, what is Grace's rate of paddling in still water?

Algebra and Trigonometry (6th Edition)
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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14. The rate of a stream is 4 km/h. Grace paddles downstream a distance of 9 km and then back upstream to where she started. If the total trip took 10 hours, what is Grace's rate of paddling in still water?
Transcribed Image Text:14. The rate of a stream is 4 km/h. Grace paddles downstream a distance of 9 km and then back upstream to where she started. If the total trip took 10 hours, what is Grace's rate of paddling in still water?
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