Question
An apprentice mason takes15h longer than an experienced mason to build a small fireplace. Working together, they can build the fireplace in4h. How long would
An apprentice mason takes15h longer than an experienced mason to build a small fireplace. Working together, they can build the fireplace in4h. How long would it take the experienced mason, working alone, to build the fireplace?
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Finite Geometry And Combinatorics
Authors: F De Clerck ,J Hirschfeld
1st Edition
0521448506, 978-0521448505
