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# The average producing cost for each of the x pencils is

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The average producing cost for each of the x pencils is [#permalink]  06 May 2006, 02:57
The average producing cost for each of the x pencils is (50+0.5x)/x . If the cost for each pencil is $0.6, how many pencils had been produced? VP Joined: 29 Dec 2005 Posts: 1348 Followers: 7 Kudos [?]: 37 [0], given: 0 Re: How many pencils? [#permalink] 11 May 2006, 18:05 getzgetzu wrote: The average producing cost for each of the x pencils is (50+0.5x)/x . If the cost for each pencil is$0.6, how many pencils had been produced?

(50+0.5x)/x = 0.6
(50+0.5x) = 0.6x
0.6x - 0.5x = 50
x = 500
Re: How many pencils?   [#permalink] 11 May 2006, 18:05
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