Marty’s Pizza must have been more than a quarter larger than Luis’. The kid is exactly right.
And the teacher is not flexible enough to engage outside their expectations for how the question was supposed to be answered.
Clearly the expectation was for the kids to take the unstated assumption that the two pizzas were of the same size, and reject the premise as unreasonable (note the heading “Reasonableness”).
Given 4/6 x > 5/6 y therefore x > 5/4 y
Marty’s Pizza must have been more than a quarter larger than Luis’. The kid is exactly right.
And the teacher is not flexible enough to engage outside their expectations for how the question was supposed to be answered.
Clearly the expectation was for the kids to take the unstated assumption that the two pizzas were of the same size, and reject the premise as unreasonable (note the heading “Reasonableness”).
I’m pretty sure the kid’s answer was how it was supposed to be answered