Question

an aircraft's reading shows
time 8:55 at distance travelled 957km
time 9:07 at distance travelled 1083

calculate distance travelled in km
calculate the average speed of aircraft in km/h

(that is what was asked it never said total distance it said calculate distance traveled in km)
1 h = 60 min


9 h 07 mim = 8 h + 1 h + 7 min = 8 h + 60 min + 7 min = 8 h 67 min

9 h 7 min - 8 h 55 min = 8 h 67 min - 8 h 55 min = 12 min


Distance :

1083 km - 957 km = 126 km


The average speed :

1 h = 60 min

12 min = 1 / 5 h

126 / ( 1 / 5 ) = 5 * 126 = 630 km / h

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