Question

a car travelling at a speed of 45km/h takes 20 minutes to reach its destination.what distance has the car travelled​

Answer 1

Speed= distance\ time
Distance is unknown so it is speed * time
45km/h * (20/60)h
=15km

Answer 2

First, we need to do a type conversion. Because the types of the two given quantities are different. One is in minutes. The other is in hours. A vehicle that travels
`45` kilometers in an hour travels how many meters in a second?

• 
  `45km/h=(45km)/(1hour) =(45km.1000)/(1hour.3600) =12.5m/s`

A vehicle that travels
`12.5` meters in a second travels how many meters in
`20` minutes?

• 
  `1200.(12.5)=15000m=15km`