Question: A civil engineer involved in construction requires 4 8 0 0 , 5 8 0 0 , and 5 7 0 0 m 3 of
A civil engineer involved in construction requires and of
sand, fine gravel and coarse gravel, respectively, for a building project. There
are three pits from which these materials can be obtained. The composition of
these pits is given below. How much cubic meters must be hauled from each
pit in order to meet the engineer's needs? Use Cramer's Rule to solve it
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