Question

a girl while riding a bicycle moves with the speed of 10 km /h for 2 hours and with the speed of 15km/h for the next 3 hours.find the total distance moved by her and her average speed

Answer 1

that's the answer hope it helps you

Answer 2

total distance traveled = 10*2 + 15*3 = 65 km
avg. speed ( V av ) = total distance/ total time taken
                               = 65/2+3 = 65/5 = 13 km/hr