John took 45 minutes to bicycle to his grandmother's house, a total of four kilometers. What was his velocity in km/hr?

1 Answer

5.35.3 kmkm/hrhr

Explanation:

"Speed per minute"Speed per minute= 4/ 45.=0.088888445.=0.088888 kmkm/min.
so in 60 minutes, distance traveled will be 60 xx 0.088888 = 5.3 km/hr