SOLUTION: If it takes 4 hours for one person to perform a task and it takes another person 3 hours to perform the same task, how long will it take if they work together.

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Question 609674: If it takes 4 hours for one person to perform a task and it takes another person 3 hours to perform the same task, how long will it take if they work together.
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
1/4 + 1/3 = 7/12
so it takes 12/7 =1.7 hours