Respuesta :

altavistard

Multiply this 15 mph by the conversion factor derived from 1.6 km = 1 mi:


15 mph      1.6 km

------------ * ---------- = 24 km/hr

      1           1 mi

The cyclist's speed in km/hr is 24 km/hr.


In 3 hrs the cyclist can cover (24 km/hr)(3 hr) = 72 km.