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Together it takes three different machines \(5\) hours to complete a job. The first machine takes \(10\) hours to

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by BTGmoderatorLU » Sat Jan 27, 2024 9:04 am

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Together it takes three different machines \(5\) hours to complete a job. The first machine takes \(10\) hours to complete the job alone and the second machine takes \(15\) hours to complete the job alone. How many hours would it take the third machine alone to complete the job?

A. \(20\)
B. \(25\)
C. \(30\)
D. \(35\)
E. \(40\)

The OA is C
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