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# A store has 500 kgs of tea in stock, 30 percent of which is dust. If

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Math Expert
Joined: 02 Sep 2009
Posts: 58335
A store has 500 kgs of tea in stock, 30 percent of which is dust. If  [#permalink]

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25 Sep 2018, 04:50
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Difficulty:

25% (medium)

Question Stats:

84% (01:31) correct 16% (02:13) wrong based on 22 sessions

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A store has 500 kgs of tea in stock, 30 percent of which is dust. If the store adds another 200 kgs of tea of which 40 percent is dust, approximately what percent, by weight, of the store’s tea contains dust?

(A) 31%
(B) 33%
(C) 34%
(D) 35%
(E) 47%

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Joined: 18 Aug 2017
Posts: 4976
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: A store has 500 kgs of tea in stock, 30 percent of which is dust. If  [#permalink]

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25 Sep 2018, 04:59
A store has 500 kgs of tea in stock, 30 percent of which is dust. If the store adds another 200 kgs of tea of which 40 percent is dust, approximately what percent, by weight, of the store’s tea contains dust?

(A) 31%
(B) 33%
(C) 34%
(D) 35%
(E) 47%

IMO B...
% dust from 500 kgs, 30% ,150 kgs
% dust from 200 kgs, 40%, 80 kgs
Total tea 700 kgs and dust 230 kgs

Dust % 230/700 ~33%..
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Re: A store has 500 kgs of tea in stock, 30 percent of which is dust. If   [#permalink] 25 Sep 2018, 04:59
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