When David and his sister Kathy work together, they can milk the cows at their family dairy farm in 95 minutes. When David works alone, he can milk the cows in 20 minutes less time than it takes Kathy when she works alone. How long would it take each of them

When David and his sister Kathy work together, they can milk the cows at their family dairy farm in 95 minutes. When David works alone, he can milk the cows in 20 minutes less time than it takes Kathy when she works alone. How long would it take each of them

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 8.170TI: Cara and Cindy, working together, can rake the yard in 4 hours. Working alone, it takes Cindy 6...

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Question

When David and his sister Kathy work together, they can milk the cows at their family dairy farm in

minutes. When David works alone, he can milk the cows in

minutes less time than it takes Kathy when she works alone. How long would it take each of them to milk the cows working alone?

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