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Bob can type two letters in 4 hours while bill can do it in 6 hours. how many hours would it take them working together to type six letters.

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erber123
Breaking this down...

Bob can type 1 letter in 2 hours.
Bill can type 1 letter in 3 hours.

It would take a total of 8 hours.

Bob would write 4 letters in this span of time while Bill would write 2.

Answer:

the answer is 7.2 hours.

Step-by-step explanation:

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