Page 162 - NUMINO Challenge_B2

2 3 6B 12 Leagues and Tournaments p.102~p.103

1 Example 4, 4, 2, 10, 10 1, 1, 4, 4
23

1

12 11
3
TryItAgain Number of matches if the competition is a
A 11 league: 6 5 2 15 (matches)
Number of matches if the competition is a
There are 3 shortest paths from A to the bridge tournament: 6 1 5 (matches)
and 6 shortest paths from the bridge to B. Therefore, the difference between the
Therefore, there are 3 6 18 shortest paths to number of matches is 15 5 10 matches.
go from A to B by crossing the bridge.

3 The shortest path from A to B is 9 times of a Example 4, 3, 6 2, 12 5 3, 2, 0, 1

side of the hexagon. TryItAgain The total number of matches was 5 4 2
10 matches. Since none of the four teams’s
AA matches ended in a tie, Korea’s match didn't
BB end in a tie either. Therefore, (total number
of matches) (total number of matches
AA won) (total number of matches lost). So
BB Korea had 4 wins and 0 loss.

Japan USA Cuba China Korea Total
Win 0 3 1 2 4 10
Loss 4 1 3 2 0 10

Type 12-1 Leagues and Tournaments p.104~p.105

AA
BB
1
Korea

Korea England

AA
B B Korea Japan England Australia France

2 Answers will vary. See 1 .

3 Answers will vary. See 1 .
AA

B B 4 Korea: 3 games, Japan: 1 game,
Australia: 1 game

Answer Key