calculate the speed of a person's car if it travels a distance of 3 km from 10:20 a.m. to 10:40 a.m.
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speed is equal to distance by time
distance is 3 km
time is 20 min that is 1/3 hr
speed =3/1/3=9km/hr
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The Answer is:
9km/h
explanation:
the car travels 3km in 20mins
therefore the car travels 9 km in 1hr
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