One grocery clerk can stock a shelf in 60 min, whereas a second clerk requires 84 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together?

Question

One grocery clerk can stock a shelf in 60 min, whereas a second clerk requires 84 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? ​

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The Answer of One grocery clerk can stock a shelf in 60 min, whereas a second clerk requires 84 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? ​

One Grocery Clerk Can Stock a Shelf in 60 Min