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: Solve the four problems below. Which of the following problems can be solved by finding $3 \div \frac12$? Shauna buys a three-foot-long sandwich for a ...

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