Real-estate salesman Z is selling a house at a 30 percent discount from its retail price. Real-estate salesman X vows to match this price, and then offers an additional 30 percent discount. Real-estate salesman Y decides to average the prices of salesmen Z and X, then offer an additional 30 percent discount. Salesman Y's final price is what fraction of salesman X's final price?  Choose the correct choice from the following answers:
A) 12/13	B) 11/15	C) 11/17	D) 11/14	E) 11/7
Let the retail price be = x   Selling price of Z = 0.70x   Selling price of X = 0.70*0.80= 
<gadget id="calculator">0.70*0.80</gadget>
<output>0.56</output>
0.56x   Selling price of Y= ((0.70x + 0.56x)/2)*0.70 = 0.63x * 0.70 = 0.44x   0.44x = k * 0.56x   k = 0.44/0.56 = 44/56=11/14   Answer: 11/14
<result>D</result>
Real-estate salesman Z is selling a house at a 30 percent discount from its retail price. Real-estate salesman X vows to match this price, and then offers an additional 30 percent discount. Real-estate salesman Y decides to average the prices of salesmen Z and X, then offer an additional 30 percent discount. Salesman Y's final price is what fraction of salesman X's final price?