Mathematics, 14.12.2019 05:31 jessieeverett432

Batman can clean up all of the crime in gotham city in 8 hours working alone. robin can do the same job alone in 12 hours. if robin starts crime fighting at 8: 00 am and batman joins him at 10: 00 am, then at what time will they have all of the crime cleaned up

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Batman can clean up all of the crime in gotham city in 8 hours working alone. robin can do the same...

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