Question

Two people (A and B) travel from X and Y along different routes. their journeys each take the same amount of time. a’s route is 90 km, B’s route is 60 km. B travels at an average speed of 40 km/h what is a’s average speed

Answer 1

Answer:

a’s average speed is 60km/h

Step-by-step explanation:

x = a’s average speed

60/40 = 90/x

Cross multiplication:

60x = 40x90

60x=3600

Divide both sides  by 60

x= 60