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Bob can type two recommendation letters in 4 hours while Bill can accomplish the same task in 6 hours. How many hours would it take them, working together, to type six letters?
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Bob can type two recommendation letters in 4 hours while Bill can accomplish the same task in 6 hours. How many hours would it take them, working together, to type six letters?

User Lzc
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1 Answer

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Bob can type 6 letters in 12 hours
Bill can type 6 letters in 18 hours
User Lnediger
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