This is the "empirical rule." Approx. 68% of a data set lie within one standard deviation of the mean.
I think it would be 965.35 kilometers of road after 44/9 day
Answer.
The school but would have been driving at about 81 miles per hour.
Fun note.
The bus driver would have gotten a speeding ticket on almost all national highways in America if they were going at that speed.
Consecutive integers are 1 apart
they are
x,x+1,x+2
they have a sum of 51
x+x+1+x+2=51
3x+3=51
minus 3 both sides
3x=48
divide both sides by 3
x=16
16+1=17
16+2=18
the numbers are 16,17,18