odometer of a car reads 573 21.0 km when the clock shows the time 8:30 a.m. what is the distance moved by a car if at 850 the odometer reading has changed to 5733 6.0 km calculate the speed of the car in kilometre minutes during this time express the speed in km per hour also
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Distance traveled at 8:30 a.m 57321 km Final distance traveled at 8:50 a.m -- 57336
km
Distance traveled between 8:30 and 8:50 am -- 57336-57321=15 km Time taken -- 20 mins( since 8:30 to 8:50 is
20 minutes)
So,speed of car in km per minute = 15/20 km per min.= 0.75 km per min. in km per hour= 15/20 X 60 = 45 kmph.
So the speed of car is 45kmph or 0.75 km per min if it covers 15km in 20 minutes.
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