The manufacturing company manufactures large and small book shelves. Large shelves require 40 pounds of metal to fabricate and small shelves require 30
pounds, but the company has only 400 pounds of metal on hand. If the company
can sell each large shelve for $80 and each small shelve for $49, how many each
shelye should it manufacture in order to maximize income?

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