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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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3 votes
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.

User Codwell
by
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2 Answers

1 vote
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.
User Chong
by
6.1k points
2 votes

Answer:

the answer is 7.2 hours.

Explanation:

User Kees Van Dieren
by
6.4k points
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