| 0 | 81 | |||
| 81 | 0 | 58 | 43 | |
| 58 | 0 | 25 | ||
| 43 | 25 | 0 |
The table above shows the distance, in miles, by the most direct route, between any two of the four cities and
. For example, the distance between City
and City
is
miles. What is the value of
?
(1) By the most direct route, the distance between and
is three times the distance between
and
.
(2) By the most direct route, the distance between and
is half the distance between
and
.