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# To be considered grade AA, an egg must weigh between 75 and

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Senior Manager
Joined: 10 Jul 2013
Posts: 301
To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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21 Aug 2013, 18:29
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79% (01:08) correct 21% (01:29) wrong based on 94 sessions

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To be considered grade AA, an egg must weigh between 75 and 90 grams, including the shell. Shells of grade AA eggs weigh between 3 and 5 grams. What is the smallest possible mass, in grams, of a 12-egg omelet, assuming that only grade AA eggs are used, the shells are all discarded, and no mass is lost in the cooking process?

A. 800
B. 840
C. 864
D. 900
E. 1,080

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Asif vai.....
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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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21 Aug 2013, 19:46
Asifpirlo wrote:
To be considered grade AA, an egg must weigh between 75 and 90 grams, including the shell. Shells of grade AA eggs weigh between 3 and 5 grams. What is the smallest possible mass, in grams, of a 12-egg omelet, assuming that only grade AA eggs are used, the shells are all discarded, and no mass is lost in the cooking process?
A. 800
B. 840
C. 864
D. 900
E. 1,080

We're asked for the smallest possible mass, so what could the lowest mass be per egg? A 75 gram egg, with a 5 gram shell, or 70 grams of "cooking" mass. 12 x 70 = 840, so the answer is B.
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Joined: 02 Sep 2009
Posts: 56304
To be considered grade AA, an egg must weigh between 75 and 90 grams,  [#permalink]

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26 Jul 2016, 09:55
To be considered grade AA, an egg must weigh between 75 and 90 grams, including the shell. Shells of grade AA eggs weigh between 3 and 5 grams. What is the smallest possible mass, in grams, of a 12-egg omelet, assuming that only grade AA eggs are used, the shells are all discarded, and no mass is lost in the cooking process?

A. 800
B. 840
C. 864
D. 900
E. 1,080
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Senior Manager
Joined: 11 Nov 2014
Posts: 323
Location: India
WE: Project Management (Telecommunications)
Re: To be considered grade AA, an egg must weigh between 75 and 90 grams,  [#permalink]

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26 Jul 2016, 10:17
B

12*(75-5)

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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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26 Jul 2016, 22:49
to make the possible mass smallest minimum weight of egg and maximum weight of shell need to be considered.
12*(75-5)=840
ans: B
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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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29 Jul 2016, 12:05
Minimum weight => (Minimum egg weigh and maximum shell weight )=> 12*75-12*5=> 900-60=840
Smash B
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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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24 Aug 2018, 11:28
did yall miss the word between there....... between means between not from x to y where x and y are included
Re: To be considered grade AA, an egg must weigh between 75 and   [#permalink] 24 Aug 2018, 11:28
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