If 1,500 is increased by 20%, and then reduced by y% : GMAT Problem Solving (PS)
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# If 1,500 is increased by 20%, and then reduced by y%

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Current Student
Joined: 06 Sep 2013
Posts: 2035
Concentration: Finance
GMAT 1: 770 Q0 V
Followers: 62

Kudos [?]: 592 [0], given: 355

If 1,500 is increased by 20%, and then reduced by y% [#permalink]

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20 Sep 2013, 16:20
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100% (01:32) correct 0% (00:00) wrong based on 2 sessions

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If 1,500 is increased by 20%, and then reduced by y%, yielding 1,080, what is y?

OA is
[Reveal] Spoiler:
40%

Last edited by Bunuel on 20 Sep 2013, 16:34, edited 1 time in total.
Edited the question.
Math Expert
Joined: 02 Sep 2009
Posts: 36531
Followers: 7070

Kudos [?]: 92963 [0], given: 10541

Re: If 1,500 is increased by 20%, and then reduced by y% [#permalink]

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20 Sep 2013, 16:26
jlgdr wrote:
If 1,500 is increased by 20%, and then reduced by y%, yielding 1,080, what is y?

OA is
[Reveal] Spoiler:
40%

1,500*1.2 = 1,800.

1,800(1 - y/100) = 1,080 --> (1 - y/100) = 0.6 --> y = 40%.
_________________
Re: If 1,500 is increased by 20%, and then reduced by y%   [#permalink] 20 Sep 2013, 16:26
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