SOLUTION: (a) When an aircraft was flying from Singapore to London the temperature outside the
the aircraft was -66℃. When the aircraft landed at London airport the temperature
Question 1157832: (a) When an aircraft was flying from Singapore to London the temperature outside the
the aircraft was -66℃. When the aircraft landed at London airport the temperature
was 15℃. Calculate the difference between these temperatures.
(b) Mr Roy, one of the passengers on the aircraft, travelled from the airport to
Cambridge. His journey took 2 hours 50 minutes and he arrived at Cambridge at
1:15 a.m. At what time did he leave the airport? (Express your answer in terms of the
24-hour clock.)
You can put this solution on YOUR website! (a)
81 degrees difference
(b)
1:15 is 01:15 using a 24 hr clock
01:15 minus 2 hrs is 23:15 PM
23:15 minus 15 min is 23:00 PM
Now subtract more minutes
23:00 minus 35 min is 22:25
He left the airport at 22:25
