A hiker walked for 5 hours. First he walked on a flat road and then he walked uphill, later he turned around and walked back to his starting point on the same road. His speed was 4 miles/hour on flat, 3 miles/hour uphill and 6 miles/hour downhill. How many miles did he walk?

A hiker walked for 5 hours. First he walked on a flat road and then he walked uphill, later he turned around and walked back to his starting point on the same road. His speed was 4 miles/hour on flat, 3 miles/hour uphill and 6 miles/hour downhill. How many miles did he walk?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter8: Rational Expressions And Equations

Section8.8: Solve Uniform Motion And Work Applications

Problem 8.163TI: Dennis went cross-country skiing for 6 hours on Saturday. He skied 20 mile uphill and then 20 miles...

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