Mathematics, 03.09.2020 04:01 kolin89
A can do a work in 14 days and working together A and B can do the same work in 10 days. In what time can B alone do the work? (i dont get this one, please explain :)
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A can do a work in 14 days and working together A and B can do the same work in 10 days. In what tim...
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