The answer is 0.1
17/10 - 8/5 = 0.1
Area=1/2 times base times height
base=4
height=3
area=1/2 times 4 times 3
area=2 times 3
area=6 square units
Alexa has read 3/8 chapters, while Rose has read 3/6, or 1/2, meaning that Rose has read more pages than Alexa.
The median would be: 7.9
and the mean would be:7.4714285714 (you are able to chop that down a bit if needed)