Answer:
310 kids/ 6 busses
310/6=51.6 so
52 or 51 kids on each bus.
A total of 26 7/20 miles or in decimal form: 26.35 miles
M = (1,4)
N = (5,2)
For M, you simply move to 1 on the x axis abs for 4 you move on the y axis. Same does for N, for 5 you move on the x axis and for 2 you move on the y axis.
130÷5=26 20÷5=4+26=30 each payed 30 dollars for the buffet