Question

find the average speed of scooter which travels first 110 km at a speed of 40kmhrand remaining 15km at a speed of 60kmhr​

Answer 1

Explanation:

s =110

s1=15

v=40

v1=60

t=110/40=2.75

t=15/60=0.25

110+15/2.75+0.25

135/3

=45