1. Ronald and Elan are working on an Assignment. Ronald takes 6 hours to type 32 pages on a computer, while Elan 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 ?
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By: anil on 05 May 2019 01.55 am
Ronald takes 6 hours to type 32 pages no.of pages typed by ronald per hour = 32/6 = 16/3 Elan takes 5 hours to type 40 pages
no.of pages typed by elan per hour = 40/5 = 8
in 1hr, both can type 8+16/3 pages = 40/3 time taken by both to type 110 pages = 110/(40/3) = 33/4 = 8hrs 15mins ( $$ecause$$ 1/4 hr = 15mins) so the answer is option C.
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no.of pages typed by elan per hour = 40/5 = 8
in 1hr, both can type 8+16/3 pages = 40/3 time taken by both to type 110 pages = 110/(40/3) = 33/4 = 8hrs 15mins ( $$ecause$$ 1/4 hr = 15mins) so the answer is option C.