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A store’s selling price of $2240 for a certain computer would yield a [#permalink] Show Tags 28 Oct 2010, 21:28 3 This post was BOOKMARKED 00:00 Difficulty: 25% (medium) Question Stats: 73% (02:09) correct 27% (01:50) wrong based on 133 sessions HideShow timer Statistics A store’s selling price of$2240 for a certain computer would yield a profit of 40 percent of the store’s cost for the computer. What selling price would yield a profit of 50 percent of the computer’s cost?

(A) $2400 (B)$2464
(C) $2650 (D)$2732
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29 Oct 2010, 01:38
If we talk about profit, it is an extra-price, so the total is 140%.
2240 -- 140%
x -- 150%

$$x=2240*150/140=2400$$
(A)
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02 Dec 2015, 11:29
I found the original buying price first because the math turned out to be easier.

2240 = X * 1.4 = X * (7/5). Therefore, X = 2240 * 5/7.

2240 is easily divided by 7 to be 320, which is then easily multiplied by 5 to give X = 1600. To get 50% profit, you need 1600 * 1.5 = 2400.

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A store's selling price of $2,240 [#permalink] Show Tags 26 Jul 2016, 06:35 A store's selling price of$2,240 for a certain computer would yield a profit of 40 percent of the store's cost for the computer. What selling price would yield a profit of 50 percent of the computer's cost?
A) $2,400 B)$2,464
C) $2,650 D)$2,732
E) $2,800 _________________ आत्मनॊ मोक्षार्थम् जगद्धिताय च Nandish Math Expert Joined: 02 Sep 2009 Posts: 36520 Followers: 7066 Kudos [?]: 92908 [0], given: 10528 Re: A store’s selling price of$2240 for a certain computer would yield a [#permalink]

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26 Jul 2016, 07:35
NandishSS wrote:
A store's selling price of $2,240 for a certain computer would yield a profit of 40 percent of the store's cost for the computer. What selling price would yield a profit of 50 percent of the computer's cost? A)$2,400
B) $2,464 C)$2,650
D) $2,732 E)$2,800

Merging topics. Please refer to the discussion above.
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Re: A store’s selling price of $2240 for a certain computer would yield a [#permalink] Show Tags 26 Jul 2016, 07:40 NandishSS wrote: A store's selling price of$2,240 for a certain computer would yield a profit of 40 percent of the store's cost for the computer. What selling price would yield a profit of 50 percent of the computer's cost?
A) $2,400 B)$2,464
C) $2,650 D)$2,732
E) $2,800 CP = SP ( 100/100 + P%) => 2240(100/140) = 1600. SP = CP (100 + P% / 100) => 1600(150/100) = 2400. Option A is correct answer. BSchool Forum Moderator Joined: 12 Aug 2015 Posts: 1885 Followers: 45 Kudos [?]: 353 [0], given: 447 Re: A store’s selling price of$2240 for a certain computer would yield a [#permalink]

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29 Jul 2016, 11:09
Nice Question.
Here CP=x=> x(1+40/100)=2240=> x=1600
now 50%x=> 800
profit 800
=> new SP = CP+P=2400
Smash A
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