Chloe drives from her house to her Grandma's house 48 miles away in an hour and 12 minutes. How fast was she driving on average?

Question

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Answer 1

This is a distance x, time t , average velocity V_avge question  

 

the average velocity V_avge = Total distance tarvelled / Total time

 

Each twelve minutes is 1/5 hr = 0.2 hr

 

Total time is therefore 1 hr+ 0.2hr = 1.2hr

 

V_avge = 48 miles / 1.2 hr = 40 miles/hr