Line Plots · Medium problem

Jo measured some worms, in inches: $\dfrac{1}{2}, \dfrac{1}{4}, \dfrac{3}{4}, \dfrac{1}{2}, \dfrac{1}{2}, 1, \dfrac{1}{4}$. She makes a line plot. The worms above the mark with the most X's are laid end to end. How long is that line of worms, in inches?