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Anna enjoys dinner at a restaurant in Washington, D.C., where the sale

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Manager
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Status: Manager
Joined: 02 Nov 2018
Posts: 180
Location: Bangladesh
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Anna enjoys dinner at a restaurant in Washington, D.C., where the sale  [#permalink]

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New post 11 Apr 2019, 13:40
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

87% (01:54) correct 13% (02:28) wrong based on 23 sessions

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Anna enjoys dinner at a restaurant in Washington, D.C., where the sales tax on meals is 10%. She leaves a 15% tip on the prices of her meal before the sales tax is added, and the tax is calculated on the pre-tip amount. She spends a total of 27.50 for dinner. What is the cost of here dinner without tax or tip?

(A) $18

(B) $20

(C) $21

(D) $22

(E) $24

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Joined: 31 May 2018
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GPA: 4
Re: Anna enjoys dinner at a restaurant in Washington, D.C., where the sale  [#permalink]

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New post 12 Apr 2019, 00:37
1
Let x be the cost of dinner

Then,

x + 0.1x + 0.15x = 27.50

1.25x = 27.50

x = \(\frac{27.50}{1.25}\) = $22

Correct answer: Option (D)
GMAT Club Bot
Re: Anna enjoys dinner at a restaurant in Washington, D.C., where the sale   [#permalink] 12 Apr 2019, 00:37
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Anna enjoys dinner at a restaurant in Washington, D.C., where the sale

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