Question

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

Answer 1

We need to convert 45 min to hours.
There are 60 min in an hour.
45/60 = 0.75
45 minutes = 0.75 hour

(4 km)/(0.75 h) = 5.3333 km/h = 5 1/3 km/h