Question

John drove for 3 hours at a rate of 50 km per hour and for 2 hours at 60 km per hour. If he needs to cover 450 km Suggest whether John has to drive faster or slower within the time of 5 hours

Answer 1

Answer:

So he has to drive slowly

Step-by-step explanation:

Distance covered in 3 hours at 50 km/h=3*50=150

Distance covered in 2 hours at 60 km/h=2*60=120

Total distance covered= 150+120=270km

Distance remaining=450-270=180

Time= 5 hours

Speed= 180/5=36 km/h

So he has to drive slowly