Multiple Choice
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?
A) 35 min
B) 17.5 min
C) 47 min
D) 42 min
E) 144 min
Correct Answer:
Verified
Correct Answer:
Verified
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