### Sample Problem

Look at the following schedule and answer the questions.

 Flight Schedule From Time To Time New York 15:45 Rome 2:45 London 12:08 Boston 17:30 Berlin 6:35 Beijing 13:25 Shanghai 9:56 Sydney 15:45 Sydney 16:25 Hawaii 19:15 Moscow 19:11 Chicago 8:50

1) How long does it take to fly from Shanghai to Sydney?

5 h 49 min

4 h 49 min

6 h 49 min

2) Which flight lasted the longest? The flight from

Moscow to Chicago

New York to Rome

Shanghai to Sydney

3) Mr. Thomas was in Shanghai. If he wanted to go to Hawaii, how long will the plane ride be?

2 h 51 min

8 h 39  min

5 h 50 min

4) Which flight is longer, the flight from Moscow to Chicago, or the flight from London to Boston?

Moscow to Chicago

London to Boston

#### Solution

1) Shanghai to Sydney: 15:45-9:56 = 5 h 49 min, So the answer is 5 h 49 min.

2) New York to Roman: 2:45-15:45 = 11 h 0 min

London to Boston: 17:30-12:08 = 5 h 22 min

Berlin to Beijing: 13:25-6:35 = 6 h 50 min

Shanghai to Sydney: 5 h 49 min

Sydney to Hawaii: 19:15-16:25 = 2 h 50 min

Moscow to Chicago: 8:50-19:11 = 13 h 39 min

So the answer is the flight from Moscow to Chicago.

3) Shanghai to Sydney: 5 h 49 min,Sydney to Hawaii: 2 h 50 min,

So the answer is 5 h 49 min + 2 h 50 min = 8 h 39 min.

4) Moscow to Chicago: 8:50-19:11 = 13 h 39 min,London to Boston: 17:30-12:08 = 5 h 22 min

So the answer is the flight from Moscow to Chicago.