Speed is 60 mph your first to need convert 30 min into hour because the variacation of space are in km 30 min=1/2 hour now you can calculate the average speed Aspeed =7/(1/2) Aspeed = 7×2 Aspeed = 14 km/h therefore the average speed is 14 kilometers per hour
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Answer:
Speed is 60 mph your first to need convert 30 min into hour because the variacation of space are in km 30 min=1/2 hour now you can calculate the average speed Aspeed =7/(1/2) Aspeed = 7×2 Aspeed = 14 km/h therefore the average speed is 14 kilometers per hour