Suppose the crew had cleaned Fourth Street on Tuesday afternoon instead of on Tuesday morning, but all other conditio...

Eugene on July 12, 2023

Answer choice E?

Answer choice E is also correct according to the setup. Can someone please explain why it is listed as incorrect?

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Emil-Kunkin on July 26 at 12:38AM

E is impossible because if we put 4 in the afternoon, this means there are only two open afternoon slots left on the last two days. Since we know that Betty 2 and 5 are in the afternoon, those two slots must be filled by 2 and 5. This means that both 2 and 5 must be after 7.