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John Purchased 1375 large bottles at $1.89 per bottle and 69 [#permalink] Show Tags 19 Feb 2014, 06:13 00:00 Difficulty: 45% (medium) Question Stats: 65% (03:12) correct 35% (02:02) wrong based on 79 sessions HideShow timer Statistics John Purchased 1375 large bottles at$1.89 per bottle and 690 small bottles at $1.38 per bottle. What was the approximate average price paid per bottle? A.$1.63
B. $1.64 C.$1.68
D. $1.72 E.$1.76

Can anyone please suggest a short and simple method for solving this question if possible.
[Reveal] Spoiler: OA

Last edited by Bunuel on 19 Feb 2014, 06:53, edited 1 time in total.
Renamed the topic and edited the question.
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19 Feb 2014, 07:33
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KUDOS
(1375*1.89+690*1.38)/(1375+690) = gives u the answer

A faster way to solve it is identifying that 1375 ~ 2x 690
Substituting this in the above equation u get - (2*1.89+1.38)/3 = 2*0.63+0.46=1.72 - Option (D)
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21 Jul 2015, 08:46
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