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An experienced programmer can write a code module in hours, while a junior programmer takes hours to write the same module. The experienced programmer starts working on the module alone. After hours, the junior programmer joins to help. How many additional hours will it take them working together to complete the module?
An experienced programmer can write a code module in hours, while a junior programmer takes hours to write the same module. The experienced programmer starts working on the module alone. After hours, the junior programmer joins to help. How many additional hours will it take them working together to complete the module?