Question

If a car covers 54 km in an hour, how much distance will it cover in 40 minutes?

Answer 1

Distance covered in 60 min = 54 km
Distance covered in 1 min = $\frac{54}{60}\mathrm{km}$

∴ Distance covered in 40 min = $\frac{54}{60}\times 40=36\mathrm{km}$