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The total amount that John paid at a certain restaurant

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Intern
Joined: 26 Jul 2014
Posts: 3
The total amount that John paid at a certain restaurant  [#permalink]

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26 Sep 2015, 12:56
1
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Difficulty:

5% (low)

Question Stats:

93% (01:01) correct 7% (01:12) wrong based on 163 sessions

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The total amount that John paid at a certain restaurant consisted of the price of the meal, the tax, and the tip. If the total amount that John paid at the restaurant was \$30, what was the price of John's meal?

(1) The sum of the tip and the tax was 20 percent of the price of john's meal.
(2) The ratio of the tax to the tip was 1 to 4.
Current Student
Joined: 20 Mar 2014
Posts: 2633
Concentration: Finance, Strategy
Schools: Kellogg '18 (M)
GMAT 1: 750 Q49 V44
GPA: 3.7
WE: Engineering (Aerospace and Defense)
Re: The total amount that John paid at a certain restaurant  [#permalink]

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26 Sep 2015, 13:20
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garsoltero wrote:
The total amount that John paid at a certain restaurant consisted of the price of the meal, the tax, and the tip. If the total amount that John paid at the restaurant was \$30, what was the price of John's meal?

(1) The sum of the tip and the tax was 20 percent of the price of john's meal.
(2) The ratio of the tax to the tip was 1 to 4.

Let P, T1 and T2 be the price of the meal, tax and tip respectively.

Given, P+T1+T2=30, P=?

Statement 1, T1+T2=0.2*P ---> from the given equation, P+0.2P=30, you can solve for P. This statement is sufficient.

Statement 2, T1/T2 = 0.25 ---> T2=4*T1 ---> clearly this will lead to an equation with 2 variables, P+T1+4*T1=30---> P+5*T1=30. We can not eliminate T1 to get P. Thus this statement is NOT sufficient.

Thus A is the correct answer.
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Re: The total amount that John paid at a certain restaurant  [#permalink]

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10 Oct 2017, 07:49
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: The total amount that John paid at a certain restaurant &nbs [#permalink] 10 Oct 2017, 07:49
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