Colin's family started driving to Grandma´s house at 8:00 am. The family arrived at 11:30. How long did it take to drive to Grandma´s house? use the number line to solve the problem. (pls help)

Colins family started driving to Grandmas house at 800 am The family arrived at 1130 How long did it take to drive to Grandmas house use the number line to solv class=