Meenu drives her car for 1
2
hours with a constant speed of 66 km/hr and then for another 45 minutes
with a constant speed of 80 km/hr. What was her average speed?
An aeroplane travels distances of 2500 km, 1200 km and 500 km at the rate of 500 km/hr.
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Step-by-step explanation:
Average speed = Distance /Time
= 66+66+80/60+60+45
= 212/165
= 1.28 km/min
= 77.09 km/hr
Hope It helps you......
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