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DerKrebs [107]
3 years ago
14

Bob can type two recommendation letters in 4 hours while Bill can accomplish the same task in 6 hours. How many hours would it t

ake them, working together, to type six letters?
Mathematics
1 answer:
Ivenika [448]3 years ago
5 0
Bob can type 6 letters in 12 hours
Bill can type 6 letters in 18 hours
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