On Tuesday, Chris swam 6 laps in 5 1\10 minutes. On Wednesday, he swam the same distance in 4 7\10 minutes. How much faster did he swim on Wednesday? and please show the answer. 10 extra points for work showed :)

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