SOLUTION: It takes the owner of a dog kennel 8 hours to clean all of the cages. If it takes her assistant 3 hours longer, how long will it take if they work together?
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Question 1186292: It takes the owner of a dog kennel 8 hours to clean all of the cages. If it takes her assistant 3 hours longer, how long will it take if they work together? Answer by ikleyn(52864) (Show Source):
The owner makes of the job per hour.
The assistant makes = of the job per hour.
Their combined rate of work is + = = of the job per hour.
It means that working together, they complete the job in
hours = 4 hours = 4 hours and 37.9 minutes = 4 hours 38 minutes (approximately). ANSWER
