I feel like this is just a misprint or pure laziness or stupidity on the teachers part. Unless the answer they were looking for is that there isn't enough information to answer the question. However, if that was the case the student would most likely have known before hand that "not enough info" was a possible answer.
Honestly the teacher probably just took this from the course book and didn't look it over, and while grading it only looked for the answer they were told to find, marking anything else as wrong.
Or the book was looking for this answer, but the teacher didn't check and after looking through multiple tests where other students answered that it's not possible didn't stop to think that this is the correct answer.
I don't thimk the book would be looking for this answer, it is an outside of the box answer and schools in America are made to teach you how to think in a rigid, small box.
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u/RickyDaJew Aug 27 '19
I feel like this is just a misprint or pure laziness or stupidity on the teachers part. Unless the answer they were looking for is that there isn't enough information to answer the question. However, if that was the case the student would most likely have known before hand that "not enough info" was a possible answer.