Given the matrix showing flight times between
cities, which of the following statements is true?
0 The flight time from city 2 to city 4 is 2.1
hours.
Flight times between cities in hours
Rows represent the city of departure.
Columns represent the city of arrival.
The flight time to return from any city is the
same as the flight time to fly to that city.
o
The matrix is square.
To 3.2 3.5 0 5.47
2.6 0 1.8 2.
1 0
Loo 0 3.
80
16.8 ooo7
0 0 0 6.2 0
Using one or more flights, it is possible to get
from any city to any other city.