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: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter3: Solving Equation And Problems

Section3.7: Costs, Income, And Value Problems

Problem 15P

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Question

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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