What is the interquartile range of this data set?

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Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

What is 1.5% of 120 or what number is 1.5% of 120

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?