Answer:
[tex]a=\frac{3}{4}[/tex]
Step-by-step explanation:
I can't do the step-by-step explanation because my device is currently dying, But I am sure that [tex]a=\frac{3}{4}[/tex] is the correct answer.
a is 3/4
2/3 x 3/4 = 1/2
1/2 - 1/6 = 1/3