If Center 1 is the only recycling center that recycles wood, then which one of the following could be a complete and ...

Sabrinamc on December 8, 2020

Spaces in Center 3

Can someone explain why center 3 cannot have 3 spaces? ie: P, T, & N? I got the question correct, however, in my notes I had 3 possible options for Center 3.

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shunhe on January 7, 2021

Hi @Sabrinamc,

Thanks for the question! I think center 3 can have 3 spaces, such as the combination that you mentioned. I think that there were two possibilities drawn because they have to have at least two, and the third one is optional, so whoever drew that drew in the two mandatory ones and left out the optional one, which wasn’t needed for this problem.

Hope this helps! Feel free to ask any other questions that you might have.