A Civil engineer involved in construction requires 1100, 2100 and 1600 m3 of sand, fine gravel and coarse gravel for a building project. There are three pits from which these materials can be obtained. The composition of these pits is PIT # SAND % FINE GRAVEL % COARSE GRAVEL % 52 30 18 2 20 50 30 3 25 20 55 How many cubic meters must be hauled from PIT 1 in order to meet the engineer's needs? Round-off to 4 decimal places Use GAUSS-SEIDEL METHOD

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