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A large aquarium contains only two kinds of fish, guppies, a
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21 Oct 2019, 07:39
21 Oct 2019, 07:39
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Question Stats:
81% (01:10) correct
18% (01:57) wrong based on 27 sessions
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A large aquarium contains only two kinds of fish, guppies, and swordtails. If \(\frac{3}{4}\) of the number of guppies is equal to \(\frac{2}{3}\) of the number of swordtails, then what fraction of fish in this aquarium are guppies?
(A) \(\frac{5}{12}\)
(B) \(\frac{8}{17}\)
(C) \(\frac{9}{17}\)
(D) \(\frac{7}{12}\)
(E) \(\frac{8}{9}\)
(A) \(\frac{5}{12}\)
(B) \(\frac{8}{17}\)
(C) \(\frac{9}{17}\)
(D) \(\frac{7}{12}\)
(E) \(\frac{8}{9}\)
Re: A large aquarium contains only two kinds of fish, guppies, a
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21 Oct 2019, 07:59
21 Oct 2019, 07:59
2
Expert Reply
\(\frac{3}{4}x=\frac{2}{3}y\)
\(9x=8y\)
\(\frac{x}{y}=\frac{8}{9}\)
Total ratio is 17
\(\frac{8}{17}\)
B is the answer
\(9x=8y\)
\(\frac{x}{y}=\frac{8}{9}\)
Total ratio is 17
\(\frac{8}{17}\)
B is the answer
Re: A large aquarium contains only two kinds of fish, guppies, a
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27 Mar 2021, 07:23
27 Mar 2021, 07:23
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Thanks to another GRE Prep 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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