Question

a car travels with speed 30 km per hour for 30 minutes and then with speed 40 km per hour for one hour find the total distance travelled by the car the total time of car and the average speed of car

Answer 1

30kmper hour for 30 minutes = 15km
40km per hour for one hour= 40km
total distance= 55km
total time= 1.30hr
avg speed = 36.66km/hr