Ronald and Elan are working on an assignment. Ronald takes 8 hours to type 34 pages on a computer, while Elan takes 6 hours to type 42 pages on a computer, while Elan takes 6 hours to types 42 pages. How much time will they take, working together on two different computers to type an assignment of 100 pages?

Options
- 8 hours
- 8.89 hours
- 9 hours
- None

CORRECT ANSWER : 8.89 hours

Discussion Board
solution

work done by Ronald in 1hour = (34/8)
work done by Elan in 1 hour = (42/6)
work done by both in 1 hour = (34/8)+(42/6)=11.25
time taken to print 100 pages = 100/11.25=8.89 hours


Shubham singh 08-13-2019 07:59 AM

above problem solution

solution

anisha 10-6-2018 11:06 PM

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