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Mathematics 13 Online
OpenStudy (anonymous):

A company sells brass and steel machine parts. one shipment contains 3 brass and 10 steel parts and cost 48 dollars. a second shipment contains 7 brass and 4 steel parts and costs 54 dollars find the cost of a steel part.

OpenStudy (anonymous):

let me give u a hint. Hint: make b=brass s=steel and make two equations.

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