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One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight minutes. How many minutes will it take them to do the job together?…

One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight minutes. How many minutes will it take them to do the job together?…
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One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight

minutes. How many minutes will it take them to do the job together?
6 min
12 min
24 min

asked
User Krishna Satya
by
7.6k points

1 Answer

3 votes

Answer:

24 min.

hope it's help you .

answered
User ATH
by
8.3k points
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