You are baking cupcakes for your class. There are 30 total students in your class and you have baked 15 cupcakes. Write and solve an equation to find the additional number x of cupcakes you need to bake in order to have 3 cupcakes for each student. Write your equation so that the units on each side of the equation are cupcakes per student.

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42