Sagot :
Answer:
1. 20km/hr
2. 4km/hr
3. 6km/hr
4. 7km/hr
5. 8km/hr
Step-by-step explanation:
speed= distance/time
Answer:
Step-by-step explanation:
1.) 200 kilometers at 40 km/hr =
t = d / s = 200 / 40 = 5 hrs
2.) 360 kilometers at 90 km/hr
t = d / s = 360 / 90 = 4 hrs
3.) 450 kilometers at 75 km/hr
t = d / s = 450 / 75 = 6 hrs
4.) 560 kilometers at 80 km/hr
t = d / s = 560 / 80 = 7 hrs
5.) 640 kilometers at 80 km/hr
t = d / s = 640 / 80 = 8 hrs