What is the interquartile range of the data set?

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Key: 1|5 means 15

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

What is the missing step in this proof ?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?