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# At Ansel's AutoMall last year, the revenue in January was 7.5% of the

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Math Expert
Joined: 02 Sep 2009
Posts: 58320
At Ansel's AutoMall last year, the revenue in January was 7.5% of the  [#permalink]

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11 Jan 2018, 23:48
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Difficulty:

25% (medium)

Question Stats:

78% (01:27) correct 22% (01:40) wrong based on 50 sessions

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At Ansel's AutoMall last year, the revenue in January was 7.5% of the annual revenue, and the revenue in February was 4.5% of the annual revenue. What was the annual revenue for Ansel's AutoMall last year?

(1) The revenue in February of last year was 1.5 million dollars less than that in January.
(2) The total revenue in January and February of last year was 6 million dollars.

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Joined: 30 May 2017
Posts: 36
GMAT 1: 730 Q49 V41
Re: At Ansel's AutoMall last year, the revenue in January was 7.5% of the  [#permalink]

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12 Jan 2018, 01:07
At Ansel's AutoMall last year, the revenue in January was 7.5% of the annual revenue, and the revenue in February was 4.5% of the annual revenue. What was the annual revenue for Ansel's AutoMall last year?

(1) The revenue in February of last year was 1.5 million dollars less than that in January.
(2) The total revenue in January and February of last year was 6 million dollars.

Hi,
Let RF be revenue in Feb , RJ be rev in Jan and RA be the annual rev.
K be a known value.
RF= K* RA--1
RJ=K* RA--2

1. RF=RJ-K--3

by putting the value of RF and RJ in 3 we get an linear equation with one variable Hence sufficient.

2.RF + RJ=k

again by puttting values we get a linear eq. in one variable i.e RA and hence sufficient
therefore D
Re: At Ansel's AutoMall last year, the revenue in January was 7.5% of the   [#permalink] 12 Jan 2018, 01:07
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