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Two sales people work for the same company and have the same pay rates. Sam earned $3550 last month for selling 9 units of product x and 5 units of...
Two sales people work for the same company and have the same pay rates. Sam earned $3550 last month for selling 9 units of product x and 5 units of product y. Casey earned $5200 last month for selling 12 units of product x and 8 units of product y. Find the commission rates for each product.