<em>The average velocity of the object is multiplied by the time traveled to find the displacement. The equation x = ½( v + u)t can be manipulated, as shown below, to find any one of the four values if the other three are known.</em>
I would say she should spin the wheel because, if she rolled the dice it would take a long time to get 2 5's on both dice at one time. Hope this helps!