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 Ronald and Elan are working on an assignment. Ronald takes 6 hrs to type 32 pages on a computer, while Elan takes 5 hrs to type 40 pages. How much time will they take, working together on two differen

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 Ronald and Elan are working on an assignment. Ronald takes 6 hrs to type 32 pages on a computer, while Elan takes 5 hrs to type 40 pages. How much time will they take, working together on two differen

A). 7 hrs 30 min

B). 8 hrs

C). 8 hrs 15 min

D). 8 hrs 25 min


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Answered by on | Votes 0 |

8 hrs 15 min



Number of pages typed by Ronald in 1 hour = 32/6 = 16/3 

Number of pages typed by Elan in 1 hour = 40/5 = 8

Number of pages typed by both in 1 hour = (16/3 + 8) = 40/3

Time taken by both to type 110 pages = (110 * 3/40) = 8 1/4 = 8 hrs 15 min

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