Question

A bus takes 2.5 hrs more to cover a distance of 50 km when its speed is reduced by 10 kmph. find its usual speed.

Answer 1

speed is =
$\frac{time}{distance}$
now we need to convert hours in minutes
1 hour =60 minutes

$2.5 hour \: \times 60minutes$
now we need to convert kilometres in meters
1 kilometres =1000 meters