This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Travis was attempting to make muffins to take to a neighbor that had just moved in down the street. The recipe that he was working with required $\frac...

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