Answer:
x < 18
Step-by-step explanation:
5/3 x + 10 < 40
5/3 x < 30
5 x < 30 *3 => 5x < 90
x < 90/5 = > x < 18
[tex] \frac{5}{3} x + 10 < 40 \\ \frac{5}{3} x < 40 - 10 \\ \frac{5}{3} x < 30 \\ x < \frac{(30 \times 3)}{5} \\ x < 6 \times 3 \\ \boxed{x < 18}[/tex]
