Speed, Distance & Time
Speed, Distance, Time
Calculations
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A windsurfer travelled 28 km in 1 hour 45 mins. Calculate his speed. Speed = Distance. Time. 28. 1•75. = = 16 km/h. 1 hour 45 mins. Answer: His speed was 16 ...
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2022/2023
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Speed, Distance & Time
Speed, Distance, Time
Calculations
15 mins = 0• 25 hour
So: 3 hours 15 mins = 3• 25 hours
30 mins = 0• 5 hour
So: 7 hours 30 mins = 7• 5 hours
45 mins = 0• 75 hour
So: 2 hours 45 mins = 2• 75 hours Reminder: How to change minutes into a decimal
D S T A windsurfer travelled 28 km in 1 hour 45 mins. Calculate his speed. Speed = Distance Time 28 1 • 75
= 16 km/h 1 hour 45 mins Answer: His speed was 16 km / hour
2 hour 30 mins Answer: He travelled 125 km A salesman travelled at an average speed of 50 km/h for 2 hours 30 mins. How far did he travel? D S T Distance = Speed x Time = 50 x 2• 5 = 125 km