SOLUTION: Aaron works part time as a salesperson for an electronics store. He earns $6.25 per hour plus a percent commission on all of his sales. Last week Aaron worked 15 hours and earned a

Question 252923: Aaron works part time as a salesperson for an electronics store. He earns $6.25 per hour plus a percent commission on all of his sales. Last week Aaron worked 15 hours and earned a gross income of $280.63. Find Aaron�s percent commission if his total sales for the week were $3,250. If necessary, round your answer to the nearest hundredth of a percent.
I am trying to help my daughter catch up on work after being sick and out of school. So please show steps or explain how to solve. This way I can show her how to solve the other similar problems.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
hourly wages+commission=income
15*6.25+rate*sales=280.63
rate=r
sales=3250
15*6.25+r*3250=280.63
solve for r
I leave the math for you.
Be careful of decimal points
Make sure the results are reasonable.
He earned only about 90 dollars hourly wages so his commission should be less than $200
So his r should probably be less than 7%
You do the exact calculations.

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