Answer:
x = 8.3
y = 20.3
Step-by-step explanation:
[tex]21-\frac{2}{3} = 20\frac{1}{3}[/tex] or [tex]20.3[/tex]
[tex]9-\frac{2}{3} = 8\frac{1}{3}[/tex] or [tex]8.3[/tex]