Question

if a car travels from A to B with a averege speed of 30km/h and from B to A it travels with a speed of v km/h. If the average speed of car for whole journey is 60km/h find the value of v.​

Answer 1

30+v/2= 60

30+v= 60x2

30+v=120

v=120-30

v=90km/h

Therefore, the average speed of car from B to A is 90km/h

Answer 2

Answer:

therefore is 90 km per hour