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At a particular zoo, 2/5 of all the animals are mammals,
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24 Feb 2020, 11:10
24 Feb 2020, 11:10
Expert Reply
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Question Stats:
90% (02:47) correct
9% (01:03) wrong based on 11 sessions
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At a particular zoo, \(\frac{2}{5}\) of all the animals are mammals, and \(\frac{2}{3}\) of the mammals are allowed to interact directly with the public. If 24 mammals are allowed to interact directly with the public, how many animals in this zoo are NOT mammals?
A. 36
B. 48
C. 54
D. 60
E. 72
Kudos for the right answer and explanation[/m]
A. 36
B. 48
C. 54
D. 60
E. 72
Kudos for the right answer and explanation[/m]
Re: At a particular zoo, 2/5 of all the animals are mammals,
[#permalink]
25 Feb 2020, 09:11
25 Feb 2020, 09:11
1
Let total be x.
(2/5 * 2/3)of x = 24
x= (24*15)/4
=90.
Not mammals are 3/5 of 90 = 54.
(2/5 * 2/3)of x = 24
x= (24*15)/4
=90.
Not mammals are 3/5 of 90 = 54.
gmatclubot
Re: At a particular zoo, 2/5 of all the animals are mammals, [#permalink]
25 Feb 2020, 09:11
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