June 2007 - Sec 1 - Game 4 - Q20

Video Transcript:

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Moving on to question number twenty. If center 2 recycles three kinds of
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materials then which one of the following kinds of materials must center 3
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recycle? Alright well we know that if center 2 is recycling exactly three materials
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that center 1 is going to also recycle those exact same three materials. Again,
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coming directly from our second condition that anything recycled center
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2 is also recycled in center three. Again, we know that plastic
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cannot be in center 2 and if center 2 has exactly 3 well center 1 is going to have
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those same exact three can't have more than three again maximum three. So
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plastic can't be in 1. And since we have to have plastic that tells us that we must
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have plastic center 3. The question is asking which one of the following
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materials must center 3 recycle so (C) plastic would be the correct answer.