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# A school has enough bread to feed 30 children for 4 days. If 10 more

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Math Expert
Joined: 02 Sep 2009
Posts: 65061
A school has enough bread to feed 30 children for 4 days. If 10 more  [#permalink]

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26 Feb 2018, 22:43
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Difficulty:

35% (medium)

Question Stats:

61% (01:14) correct 39% (01:28) wrong based on 101 sessions

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A school has enough bread to feed 30 children for 4 days. If 10 more children are added, how many days will the bread last?

(A) 4/3

(B) 8/3

(C) 3

(D) 16/3

(E) 12

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A school has enough bread to feed 30 children for 4 days. If 10 more  [#permalink]

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26 Feb 2018, 23:08
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Bunuel wrote:
A school has enough bread to feed 30 children for 4 days. If 10 more children are added, how many days will the bread last?

(A) 4/3

(B) 8/3

(C) 3

(D) 16/3

(E) 12

If every child in the school eats 1 bread a day and there is enough bread
to feed 30 children for 4 days, the school must have 30*4 = 120 bread.

Since 10 more children are added to the school, the number of children must be 40.

Therefore, the time for which the bread lasts is $$\frac{120}{40} = 3$$ days(Option C)
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Re: A school has enough bread to feed 30 children for 4 days. If 10 more  [#permalink]

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27 Feb 2018, 22:35
Bunuel wrote:
A school has enough bread to feed 30 children for 4 days. If 10 more children are added, how many days will the bread last?

(A) 4/3

(B) 8/3

(C) 3

(D) 16/3

(E) 12

IMO C I will solve this question by table method which is as following:-
If you like my explanation then please give me Kudos Thanks in advance
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Re: A school has enough bread to feed 30 children for 4 days. If 10 more   [#permalink] 27 Feb 2018, 22:35