SOLUTION: What is the format to determine how long it will take for one person who shoveled snow in 65 minutes and another in 60 minutes if they worked together.

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Question 605874: What is the format to determine how long it will take for one person who shoveled snow in 65 minutes and another in 60 minutes if they worked together.
Answer by htmentor(789) About Me  (Show Source):
You can put this solution on YOUR website!
One person's rate is 1 job per 60 min and the other person's rate is 1 job per 65 min.
Working together, their combined rate is 1/60 + 1/65