Respuesta :

The volume of Trevor = 84 km+3h = 28 km The volume of Jillian = 70 km 2.5h = 28 km/ So they rode equally fast 28 = 28
Trevor:
84km / 3h = 28 km/h

Jillian:
70km / 2.5h = 28 km/h

They are going the same speed. We know this because speed=distance/time and they are both going 28km/h.