giv me d soln

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giv me d soln

by shan_shine007 » Wed May 14, 2008 10:38 pm
Month Average Price
per Dozen

April $1.26
May $1.20
June $1.08


19. The table above shows the average (arithmetic mean) price per dozen of the large grade A eggs sold in a certain store during three successive months. If 2/3 as many dozen were sold in April as in May, and twice as many were sold in June as in April, what was the average price per dozen of the eggs sold over the three-month period?
(A) $1.08
(B) $1.10
(C) $1.14
(D) $1.16
(E) $1.18
Source: — Problem Solving |

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by akshatsingh » Wed May 14, 2008 10:47 pm
A M J
(2/3)X X (4/3)X


Average= {(2/3)X*1.26 + X*1.2 + (4/3)X*1.08}/{(2/3)X+X+(4/3)X}
X will cancel ot from Num and Denom

On solving, Average = 1.16

Answer D
Aks

Junior | Next Rank: 30 Posts
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by shan_shine007 » Wed May 14, 2008 11:55 pm
thank u :P