Question

express the following speed in metre per minute a) 54 km/ hr

Answer 1

1km = 1000m
1hr = 60min
so 54000/60 = 900m/min
so answer is 900 meteres/min

hope it helps u dude

Answer 2

$\huge\red{Answer\: is}$

1 km = 1000m
1 hrs = 60 min

Speed = 54 km/ hrs
$= \frac{54 \times 1000}{60} \\ = 900 \: meter \: per \: minute$
Hope it helps you