Answer:
option B is correct. Once have a look to this solution that I have answered
30 minutes / 3 miles = 10 minutes for 1 mile
7 miles * 10 minutes per mile = 70 minutes total to run 7 miles
84 is your awnser if i helped i hope im in fourth grade so dont judge
The mode is the number that occurs the most so if you look at the numbers, thee only one that occurs twice is 5 so 5 is the mode.