a girl while riding a bicycle moves with a speed of 10 kilometre per hour for 2 hours and with a speed of 15 km per hour for the next 3 hours find the total distance travelled by her and her average speed
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Answers & Comments
15×3 for 3 hour= 45
20+45=65km
for average speed
total distance ÷total time taken
65÷5=13km is average speed
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