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 

RELATED QUESTIONS

A pair of shoes on sale is labelled 20% off the marked price. If the shoes were priced at  (answered by rfer)

A telemarketer makes 3 calls at random. The chance of making a sale on each call is 0.10.  (answered by stanbon)

8. A factory produces products A and B. Product it makes a profit only after 500 items... (answered by solver91311)

A factory produces products A and B. Product A makes a profit only after 500 items have... (answered by solver91311)

If a salesman makes a sale on 70% of his sales calls. If he calls four potential clients,  (answered by stanbon)

A salesman makes a commission of x percent on the first Rs. 2,000 worth of sale in any... (answered by mathstutor494)

A pair of shoes on sale is labelled "20% off the marked price". If the shoes were priced... (answered by unlockmath)

 Tom Jones and Bill Smith set out to create their own thermometers. Jones calls the... (answered by Theo)

A $200 coat is on sale for $166.what is the percent... (answered by stanbon)