D= S T. CAREFUL!. !. Distance. Time. How long did the bus journey take if it travelled a total distance of 60 km at an average speed of 40 km/hr. . A racing car travelled at 50 km/hr. What is the distance covered in 6 hours 30mins ? . D. S. T. Speed.
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D= S T
How long did the bus journey
take if it travelled a total distance
of 60 km at an average speed
of 40 km/hr.
A racing car travelled at 50 km/hr.
What is the distance covered
in 6 hours 30mins ?
Daniel drove from his house
to the Blackpool, a distance
of 135 miles. It took him
What was his average speed?
Distance Speed Time
If distance is in kilometres and time in hours then speed is in
kilometres per hour
Units MUST be consistent !!
To change minutes to decimal hours
‘divide minutes by 60’
To change decimal time to minutes
‘multiply the decimal part by 60’
2hr 15 minutes to decimal is
3.7 hrs to hours and minutes is
= 2.25 hrs
= 3 hrs 42 mins