Chapter 3 - Solving Inequalities - 3-3 Solving Inequalities Using Multiplication or Division - Practice and Problem-Solving Exercises - Page 182: 52

$ n \lt 5 \frac{1}{3}$

In order to cancel out a fraction that is being multiplied by a variable, we multiply by the reciprocal of the fraction. Thus, we multiply both sides of the inequality by 4/3 to obtain that $ n \lt 5 \frac{1}{3}$.