Iwill upvote all answers.
one person can do a certain job in ten minutes, and another person c...
Mathematics, 02.10.2019 02:00 hope4517
Iwill upvote all answers.
one person can do a certain job in ten minutes, and another person can do the same job in fifteen minutes.
how many minutes will they take to do the job together?
1. 4 minutes
2. 5 minutes
3. 6 minutes
Answers: 2
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