A Lyuis loves 14 km in 2-hours. What is the speed of the cyclist?
5
4
2
4. A car is travelling with a speed of 50 2 upon 5km/h. How much time willl it take to travel the distance of 200 km
100 m?
Answers
A Lyuis loves 14 km in 2-hours. What is the speed of the cyclist?
speed = distance/time
distance = 14km, time = 2 hours
speed = 14/2 = 7km/hr
the speed of the cyclist is 7km/h
A car is travelling with a speed of 502/5 km/h. How much time willl it take to travel the distance of 200 km 100 m?
speed = 502/5 km/h
200km 100m = 200.1 km
therefore from the data, 502/5 kms = 1 hour
200.1 km = x hours
by cross multiplication we have, x = (200.1 * 1) / (502/5 )
x = (200.1)/(100.4)
x = 2001/1004 {multiplying by 10 on numerator and denominator}
x = 1.993 hrs
the car will take approximately 2 hours to cover the distance
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