Answered: Working alone, Carlos can oil the lanes…

Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in nine hours. If they worked together how long would it take them?

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

Chapter7: Applying Fractions

Section7.8: Work Problems

Problem 7P

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7. Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same lanes in
nine hours. If they worked together how long would it take them?

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