Question 433020
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Hi
Brown makes a 10% profit on a $200 sale, 
Jones makes a 5% on $200 sale, 
and Smith makes a 15% on a $400 sale
What is the 'average' value of profits made by brown, smith, and jones?
 (.10*$200 + .05*$200 ++ .15*$400)/3 = ($20+$10+$60)/3 = $30