Chris is walking at a speed of 3.25 miles per hour. if he continues to walk at the same speed, how far can chris walk in 1.5 hours

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.