Question: A construction engineer working on a construction project needs 4 8 0 0 , 5 8 1 0 , and 5 6 9 0 m

A construction engineer working on a construction project needs 4800,5810, and 5690m^3 of sand, fine gravel, and coarse gravel, respectively There are three quarries from which these can be obtained The compositions of these quarries are given in the table How much m^3 should be taken from each quarry to meet the engineer's requirements? Calculate using the LU decomposition method
A construction engineer working on a construction

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