Chapter 2.3, Problem 10P

Draw a number line like the one in Figure 2.50. Place equally spaced tick marks on your number line so that you can plot $\frac{1}{3}$ on a tick mark without first plotting 1. Then plot $\frac{1}{3}$ . Explain your reasoning.

  

   Figure 2.50 Plot $\frac{1}{3}$ .