Question: Set up appropriate systems of two linear equations in two unknowns and then solve the systems by determinants. All numbers are accurate to at least

Set up appropriate systems of two linear equations in two unknowns and then solve the systems by determinants. All numbers are accurate to at least two significant digits.

A machinery sales representative receives a fixed salary plus a sales commission each month. If $6200 is earned on sales of $70,000 in one month and $4700 is earned on sales of $45,000 in the following month, what are the fixed salary and the commission percent?

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