
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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December 4th, 2012, 03:18 AM  #1 
Newbie Joined: Dec 2012 Posts: 17 Thanks: 0  please help me while solving this problem
. A can do a piece of work in 20 days. B in 15 days and C in 12 days. How soon can the work be done, if A is assisted to B on one day and by c on the next alternative?


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