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# Tooth whiteners in toothpastes contain mild abrasives that

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Board of Directors
Joined: 01 Sep 2010
Posts: 3372

Kudos [?]: 9278 [1], given: 1168

Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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31 Jan 2013, 16:21
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Question Stats:

87% (01:01) correct 13% (00:00) wrong based on 45 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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Kudos [?]: 9278 [1], given: 1168

VP
Joined: 24 Jul 2011
Posts: 1354

Kudos [?]: 651 [0], given: 20

GMAT 1: 780 Q51 V48
GRE 1: 1540 Q800 V740
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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Kudos [?]: 651 [0], given: 20

Director
Status: 1,750 Q's attempted and counting
Affiliations: University of Florida
Joined: 09 Jul 2013
Posts: 514

Kudos [?]: 1014 [0], given: 630

Location: United States (FL)
Schools: UFL (A)
GMAT 1: 600 Q45 V29
GMAT 2: 590 Q35 V35
GMAT 3: 570 Q42 V28
GMAT 4: 610 Q44 V30
GPA: 3.45
WE: Accounting (Accounting)
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

Kudos [?]: 1014 [0], given: 630

Manager
Joined: 22 Apr 2013
Posts: 95

Kudos [?]: 108 [1], given: 32

Location: India
Concentration: Finance
GMAT 1: 660 Q48 V33
Re: Tooth whiteners in toothpastes contain mild abrasives that [#permalink]

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15 Oct 2013, 00:44
1
KUDOS
(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.

Kudos [?]: 108 [1], given: 32

Re: Tooth whiteners in toothpastes contain mild abrasives that   [#permalink] 15 Oct 2013, 00:44
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