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The total number of GPSs in stock last month in Stores R and

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The total number of GPSs in stock last month in Stores R and [#permalink] New post 05 Mar 2017, 09:19
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Question Stats:

100% (00:44) correct 0% (00:00) wrong based on 11 sessions


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The total number of GPSs in stock last month in Stores R and T was what fraction of the total number of GPSs in stock last month in all three stores?

A) \(\frac{1}{2}\)

B) \(\frac{2}{3}\)

C) \(\frac{7}{9}\)

D) \(\frac{4}{5}\)

e) \(\frac{8}{9}\)
[Reveal] Spoiler: OA

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Re: The total number of GPSs in stock last month in Stores R and [#permalink] New post 11 Mar 2017, 20:25
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Explanation

Find the total number of GPS units in stock in Stores R and T:

R: 55
T: 25
R + T = 80

Find the total number of GPS units in all three stores:

R: 55
S: 40
T: 25
R + S + T = 120

Hence the fraction:

\(\frac{80}{120} = \frac{8}{12} = \frac{2}{3}\).

Hence option B is correct.
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The total number of GPSs in stock last month in Stores R and

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