Mathematics, 11.07.2019 16:10 dareaalcaam111
A, b and c can do a work in 20,30 and 60 days respectively. if b and c a in every 3 days, when can a finish the work?
12 days
15 days
16 days
18 days
Answers: 1
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A, b and c can do a work in 20,30 and 60 days respectively. if b and c a in every 3 days, when can...
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