Question :
A and B are working on an assignment. A takes 6 hours to type 32 pages on a computer, while B takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
1. 5 hours 15 minutes
2. 4 hours 30 minutes
3. 8 hours 15 minutes
4. 7 hours 45 minutes
Answer :
4 - 7 hours 45 minutes
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