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OpenStudy (anonymous):
A motor Car does journey in 10 hrs. The first half at 21km per hour and rest at 23.8 km per hour.Find the distance
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Vocaloid (vocaloid):
distance = speed*time the journey is 10 hours long so the first half is 5 hours and the second half is 5 hours distance for the first half = speed*5, where speed = 21 km/hr distance for the second half = speed*5, where speed = 23.8 km/hr so, to find the total distance, add the two distances together
OpenStudy (anonymous):
the answer is 224,correct
Vocaloid (vocaloid):
yes! good job
OpenStudy (anonymous):
thanks
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