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

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

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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.
[Reveal] Spoiler: OA

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Re: At Ansel's AutoMall last year, the revenue in January was 7.5% of the [#permalink]

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New post 12 Jan 2018, 00:07
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, 00:07
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