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Three postal workers can sort a stack of mail in 45 minutes, 25 minutes, and 225 minutes, respectively. Find how long it takes them to
Three postal workers can sort a stack of mail in 45 minutes, 25 minutes, and 225 minutes, respectively. Find how long it takes them to sort the mail if all three work together. The time it takes for all three to complete the job is minutes
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Database Systems For Advanced Applications 18th International Conference Dasfaa 2013 Wuhan China April 22 25 2013 Proceedings Part 2 Lncs 7826
Authors: Weiyi Meng ,Ling Feng ,Stephane Bressan ,Werner Winiwarter ,Wei Song
2013th Edition
3642374492, 978-3642374494
