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# The ratio of the number of chickens to the number of pigs to the numbe

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Math Expert
Joined: 02 Sep 2009
Posts: 54376
The ratio of the number of chickens to the number of pigs to the numbe  [#permalink]

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10 Apr 2019, 00:27
00:00

Difficulty:

25% (medium)

Question Stats:

100% (00:55) correct 0% (00:00) wrong based on 10 sessions

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The ratio of the number of chickens to the number of pigs to the number of horses on Richard’s farm is 33 : 17 : 21. What fraction of the animals are either pigs or horses?

(A) 16/53
(B) 17/54
(C) 38/71
(D) 25/31
(E) 38/33

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Joined: 31 Oct 2013
Posts: 1322
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: The ratio of the number of chickens to the number of pigs to the numbe  [#permalink]

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10 Apr 2019, 01:22
Bunuel wrote:
The ratio of the number of chickens to the number of pigs to the number of horses on Richard’s farm is 33 : 17 : 21. What fraction of the animals are either pigs or horses?

(A) 16/53
(B) 17/54
(C) 38/71
(D) 25/31
(E) 38/33

Total animals ( considering ration) = 33 + 17 + 21 = 71.

pigs = 17/71

Horses = 38/71

Sum = 17 /71 + 21 /71 = 38/71.

Re: The ratio of the number of chickens to the number of pigs to the numbe   [#permalink] 10 Apr 2019, 01:22
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