Sagot :
Answer:
1. 100km ÷ 4h = 25km/h
Therefore, the car average speed is 25km/h
2. 70km/h × 45½h = 3,185 km/h²
Therefore, Robert travel 3,185 km/h²
3. 2hours and 40 minutes
Answer:
1. 25 kilometers
2. 3412.5 km
3. 2520 per hour and 42 per minute
Step-by-step explanation:
here you go
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