Peter earns $32,000 per year plus a 2.5% commission on his jewelry sales. find peter's total salary for the year when his sales are valued at $420,000.

If Peter's sales for the year were 420,000, we can find the dollar amount his commission on that is by multiplying that number by .025, the percent commission he earns expressed as a decimal. That product is 10, 500. Add that to his base salary of 32,000 and his total salary for that year was 42,500

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