A reservoir can be filled by an inlet pipe in 24 hours and emptied by an outlet pipe in 28 hours. The fireman starts to fill the reservoir, but he forgets to close the outlet pipe. Six ours later he rembers and closes the outlet. How long does it take altogether to fill the reservoir?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A reservoir can be filled by an inlet pipe in 24 hours and emptied by an outlet pipe in 28 hours. The fireman starts to fill the reservoir, but he forgets to close the outlet pipe. Six ours later he rembers and closes the outlet. How long does it take altogether to fill the reservoir?

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