Mathematics, 15.11.2019 23:31 giulianna41
One grocery clerk can stock a shelf in 20 min. a second clerk requires 45 min to stock the same shelf. how long would it take to stock the shelf if the two clerks worked together?
Answers: 3
minutes
per minute
per minute
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One grocery clerk can stock a shelf in 20 min. a second clerk requires 45 min to stock the same shel...
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