A painter by himself can paint four rooms in 10 hours. If he hires a helper, they can do the same job together in 6 hours. If he lets the helper work alone, how long will it take for the helper to paint the four rooms?

A painter by himself can paint four rooms in 10 hours. If he hires a helper, they can do the same job together in 6 hours. If he lets the helper work alone, how long will it take for the helper to paint the four rooms?

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 307E: Mia can clean her apartment in 6 hours while her roommate can clean the apartment in 5 hours. If...

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Question

A painter by himself can paint four rooms in 10 hours. If he hires a helper, they can do the same
job together in 6 hours. If he lets the helper work alone, how long will it take for the helper to paint
the four rooms?

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