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Mathematics, 31.07.2019 14:00 1060975
Acompany sells brass and steel machine parts. one shipment contains 3 brass and 10 steel parts and costs $48. a second shipment contains 7 brass and 4 steel parts and costs $54. find the cost of each type of machine part.
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Acompany sells brass and steel machine parts. one shipment contains 3 brass and 10 steel parts and c...
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