a girl while riding a bicycle moves with the speed of 10 km/h for2 hours and with the speed of 15km/hour for next 3 hour . find the total distance covered by her and her average speed
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Total distance covered = 10 × 2 + 15 × 3
= 20 + 45
= 65 km
average speed = 65 / 3 + 2
= 65 / 6
= 10.833333 km
= 20 + 45
= 65 km
average speed = 65 / 3 + 2
= 65 / 6
= 10.833333 km
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