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There are a total of 20 dogs and cats at a kennel. If the

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There are a total of 20 dogs and cats at a kennel. If the [#permalink] New post 29 May 2019, 10:18
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There are a total of 20 dogs and cats at a kennel. If the ratio of the number of dogs to the number of cats at the kennel is 3 to 2, how many cats are at the kennel?

[Reveal] Spoiler: OA
8 cats


Math Review
Question: 13
Page: 233
Difficulty: medium

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1 KUDOS received
GRE Instructor
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Joined: 10 Apr 2015
Posts: 3532
Followers: 133

Kudos [?]: 3995 [1] , given: 65

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Re: There are a total of 20 dogs and cats at a kennel. If the [#permalink] New post 04 Jun 2019, 06:12
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GreenlightTestPrep wrote:
There are a total of 20 dogs and cats at a kennel. If the ratio of the number of dogs to the number of cats at the kennel is 3 to 2, how many cats are at the kennel?

[Reveal] Spoiler: OA
8 cats


Math Review
Question: 13
Page: 233
Difficulty: medium


The ratio of the number of dogs to the number of cats at the kennel is 3 to 2
So, out of every 5 pets, 3 are dogs and 2 are cats
We can divide the 20 pets into 4 groups of five pets, and each group of five pets has 2 cats
So, the total number of cats = (4)(2) = 8

Answer: 8

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Re: There are a total of 20 dogs and cats at a kennel. If the [#permalink] New post 02 May 2020, 13:27
dogs:cats = 3:2
so,
=(cat ratio/total ratio) * total number of pets
=2/(3+2) * 20
=2/5*20
=8
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Re: There are a total of 20 dogs and cats at a kennel. If the   [#permalink] 02 May 2020, 13:27
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