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

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

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New post 21 Aug 2013, 18:29
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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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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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New post 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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To be considered grade AA, an egg must weigh between 75 and 90 grams,  [#permalink]

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New post 26 Jul 2016, 09:55
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Re: To be considered grade AA, an egg must weigh between 75 and 90 grams,  [#permalink]

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New post 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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New post 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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New post 29 Jul 2016, 12:05
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Re: To be considered grade AA, an egg must weigh between 75 and  [#permalink]

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New post 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
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Re: To be considered grade AA, an egg must weigh between 75 and   [#permalink] 24 Aug 2018, 11:28
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