a car travels at 40 kmh for 30 minutes and 60 kmh for 15 min

a car travels at 40 km/h for 30 minutes and 60 km/h for 15 minutes. how far does it treavel?

Distance traveled = 40km/h * 30min + 60km/h * 15min
The first step is to convert the times to the same units.
I converted everything into hours.
1 hour = 60 min
So 30min* (1h/60min) = 0.5h
& 15min * (1h/60min) = 0.25h
Distance traveled = (40km/h * 0.5h) + (60km/h * .25h)
Distance traveled = 20km + 15km
Distance traveled = 35km