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# Tooth whiteners in toothpastes contain mild abrasives that

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Joined: 01 Sep 2010
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Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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31 Jan 2013, 16:21
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Question Stats:

86% (01:56) correct 14% (00:00) wrong based on 38 sessions

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Tooth whiteners in toothpastes contain mild abrasives that have the capacity to remove stains on tooth enamel and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for customers desiring brighter teeth.

(A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for
(B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for
(C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of
(D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for
(E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for
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Joined: 24 Jul 2011
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Re: Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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31 Jan 2013, 22:59
Should be (D).

Removing stains on the tooth enamel leads to improving tooth appearance. Improving tooth appearance is not a separate result. Therefore 'to' is more appropriate (and not 'and'). That rules out A and B. In C, 'keeping costs down of customers' is awkward and grammatically incorrect.

E is awkwardly worded, changes the meaning by changing the placement of the word 'enough' and is also not parallel in all of its aspects.

D it is.
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Status: 1,750 Q's attempted and counting
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Re: Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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14 Oct 2013, 09:09
This appears to be a GMAT Hacks question of the day. The question appeared on 1/31/2013. The Official Explanation is as follows:

Tooth whiteners in toothpastes contain mild abrasives that have the capacity to remove stains on tooth enamel and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for customers desiring brighter teeth. (A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for (B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for (C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of (D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for (E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for
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Re: Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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15 Oct 2013, 00:44
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(A) and improve tooth appearance, enough for less use of microabrasion techniques and keeping costs down for---- improve tooth appearance is the result of tooth whiteners...
(B) and improve tooth appearance enough for microabrasion techniques to be used less and to keep costs down for---- Same as A. Also to be used less is awkward usage.
(C) for improved tooth appearance, enough for lessening use of microabrasion techniques and for keeping costs down of---- Costs down of customers is incorrect. For improved also is incorrect shift of tenses.
(D) to improve tooth appearance, enough to limit use of microabrasion techniques and to keep costs down for--- CORRECT
(E) to improve enough tooth appearance to use microabrasion techniques less and keep costs down for --- Enough is used incorrectly. enough tooth appearance does not make any sense.
Re: Tooth whiteners in toothpastes contain mild abrasives that   [#permalink] 15 Oct 2013, 00:44
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