Suppose there are 200 skilled, 500 semi-skilled and 300 unskilled workers in a particular factory. On average, a skilled worker, a semi-skilled worker, and an unskilled worker weave a unit length of a particular fabric in 3 hours, 4 hours, and 5 hours, respectively. After a 2-year training, the semi-skilled workers are expected to become skilled and the unskilled workers to become semi-skilled. After this training, how much less time will be required to weave the unit length of the fabric by an average worker? Assume that there is no turnover of workers.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Suppose there are 200 skilled, 500 semi-skilled and 300 unskilled workers in a 
particular factory. On average, a skilled worker, a semi-skilled worker, and an 
unskilled worker weave a unit length of a particular fabric in 3 hours, 4 hours, and 
5 hours, respectively. After a 2-year training, the semi-skilled workers are expected 
to become skilled and the unskilled workers to become semi-skilled. After this 
training, how much less time will be required to weave the unit length of the fabric 
by an average worker? Assume that there is no turnover of workers.

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