The table below shows how much money a grocery store receives for selling different amounts of asparagus. ASPARAGUS SALES

NUMBER OF POUNDS

TOTAL SALES

4 lb=

$10

6 lb=

$15

8 lb=

$20

10 lb =

?

12 lb=

?

If the unit rate is constant, what are the total sales for 12 pounds of asparagus?

A. $32.50

B. $25.00

C. $22.50

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