Answer:
18.99 or 19 when rounded
Step-by-step explanation:
[tex]8 = \frac{1}{3} (a + 5) \\ 8 = \frac{1a}{3} + 1.67 \\ 3 \times 8 = \frac{1a}{3} + 1.67 \times 3 \\ 24 = a + 5.01 \\ 24 - 5.01 = a + 5.01 - 5.01 \\ 18.99 = a[/tex]
Therefore a = 18.99