SOLUTION: It takes a groundskeeper 40 minutes to prepare a softball field for a game. It takes his assistant 50 minutes to prepare the same field. How long will it take if they work together

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Question 837424: It takes a groundskeeper 40 minutes to prepare a softball field for a game. It takes his assistant 50 minutes to prepare the same field. How long will it take if they work together to prepare the field?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/40+1/50=1/
x = 200/9
x = 22.222