medium · GMAT Quant
Working alone, Printer X takes 10 hours to complete a job, and Printer Y takes 15 hours. Both printers work together for 2 hours, after which Printer X breaks down.
How many additional hours will it take Printer Y to finish the job alone?
- 6 hours
- 12 hours
- 10 hours
- 9 hours
- 8 hours
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