04/05/2016 11:40 EDT | Updated 04/06/2016 10:59 EDT

This School Math Problem About Pizza Is Annoying Reddit

How would you have answered?

One school math problem is making some question how teachers evaluate their students.

In an image posted to Reddit, a student was given a problem that would stump almost anyone on first glance.

"Marty ate 4/6 of his pizza and Luis ate 5/6 of his pizza. Marty ate more pizza than Luis. How is that possible?" it read.

The student answered, perhaps rationally, that Marty's pizza was bigger.

The teacher marked that answer wrong, saying that the situation posed in the question wasn't possible because 5/6 is greater than 4/6.

The question was meant to gauge the student's ability to assess reasonableness, or whether or not an answer makes sense in certain circumstances.

One homework help website has similar sample problems, such as "Martha read four books spread out evenly over the summer. They had a total of 48 chapters and she read for 12 weeks. Is it reasonable to think that Martha read four chapters a week over the summer?"

But as one Redditor pointed out, the pizza question is poorly phrased.

"'How is that possible' sounds like you're supposed to reason a way it could be possible," wrote AllUltima.

Another person thought the problem should have specified that both pizzas were the same size.

What do you think? Should the teacher have marked the answer right? Let us know in the comments below.

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